CN103139919B - A kind of method and device for realizing step access - Google Patents
A kind of method and device for realizing step access Download PDFInfo
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- CN103139919B CN103139919B CN201210037118.2A CN201210037118A CN103139919B CN 103139919 B CN103139919 B CN 103139919B CN 201210037118 A CN201210037118 A CN 201210037118A CN 103139919 B CN103139919 B CN 103139919B
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- user equipment
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Abstract
The invention discloses a kind of method and device for realizing step access, including：Calculate the two-way time delay of link, judge whether the two-way time delay of the link is more than the maximum time interval that agreement allows, when the two-way time delay of the link is more than the maximum time interval that agreement allows, it is determined that descending piece of transmission block gap of the Uplink State Flag (USF) that the user equipment is set sent to user equipment, wherein, the block gap that sends is more than the maximum time interval that two-way time delay/agreement of link allows, and sends descending piece of the USF for setting the user equipment to the user equipment with the transmission block gap of determination.The present invention is when the two-way time delay of link is beyond the standard for limiting time delay, adjust USF transmission interval, guarantee to be distributed in time according to actual conditions up fast, user equipment will not discharge by force because of the restrictive condition that a step accesses, and lead to not access so as to solve the problems, such as that the time delay of link is long.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method and device for realizing step access.
Background technology
In GSM (global system for mobile communications), the networking mode of Abis mouths there may be a variety of situations, wherein, may
Using satellite link, the two-way time delay of standard of common high rail satellite link is 520ms, plus landing link router, numeral
The processing time of circuit signal dynode system and delay etc. of eating dishes without rice or wine, maximum delay can exceed that more than 1100ms.Simultaneously in reality
Under internet environment, also pass through satellite to BSC (base stations again through satellite to transfer router there is BTS (base station transceiver)
Controller) situation, centre may need increase by multiple satellite link, the time delay of so whole Abis links
Add, still, for step access, long delay can cause Packet Service not carry out.
Provided according to agreement, when mobile phone sends first RLC (wireless spread-spectrum technology)/MAC (medium education) wirelessly
During block, the N3104 of user equipment is started counting up, and user equipment often sends a radio block, then N3104 increases once count,
In N3104_MAX (N3104 count maximum) number, if not receiving PACKET UPLINK ACK/NACK (in packet
Row response), then a step Conflict solving fails, access failure, wherein, N3104_MAX=3* (BS_CV_MAX+3) * number of
Uplink timeslots assigned (the up channel number of distribution).
BS_CV_MAX is system configuration, and BS_CV_MAX maximum is 15, for most of user equipmenies, is connect in a step
Under entering, BSC typically distributes a up channel, and N3104_MAX maximum is 54 blocks, meanwhile, BSC is receiving first nothing
During line block, packet uplink response is replied, when two-way delay is 54 blocks, 54 blocks are sent out equivalent to 1080ms, i.e. user equipment
When sending the 27th piece, BSC receives the 1st block, starts to issue packet uplink response, 27 pieces of one way link is passed through in packet uplink response
User equipment is reached after delay, user equipment sends 27+27=54 blocks, has reached N3104_MAX, if two-way delay is big again,
Then a step Conflict solving unsuccessfully will cause business not access.
The content of the invention
, can be in link the technical problem to be solved in the present invention is to provide a kind of method and device for realizing step access
When two-way time delay is more than the maximum time interval that agreement allows, it is successfully accessed user equipment.
In order to solve the above technical problems, a kind of method for realizing step access of the present invention, including：
The two-way time delay of link is calculated, judges whether the two-way time delay of the link was more than between the maximum time that agreement allows
Every when the two-way time delay of the link is more than the maximum time interval that agreement allows, it is determined that the setting sent to user equipment
Descending piece of transmission block gap of the Uplink State Flag (USF) of the user equipment, wherein, the transmission block gap is more than
The maximum time interval that the two-way time delay of link/agreement allows, sent and set to the user equipment with the transmission block gap of determination
Put the USF of the user equipment descending piece.
Further, descending piece of the transmission block of the USF that the user equipment is set for determining to send to user equipment
Interval, including：
It is determined that the USF for setting the user equipment sent to the user equipment descending piece of transmission block gap is homogeneous
Together, the maximum time interval of two-way time delay/agreement permission also, more than the link.
Further, in addition to：
Determine rounding up for the maximum time interval that the transmission block allows at intervals of two-way time delay/agreement of link
Value, at interval of descending piece of the value that rounds up, send one to the user equipment and set under the USF of the user equipment
Row block.
Further, descending piece of the transmission block of the USF that the user equipment is set for determining to send to user equipment
Interval, including：
It is determined that the USF of the preceding individual setting user equipment of P (1 ＜ P ＜ N3104 count maximums) descending piece of transmission block
At intervals of default block gap, it is determined that descending piece of the transmission block of the USF for setting the user equipment after P described descending piece
Interval is more than (time that the two-way time delay-P* of link presets single piece of block gap *)/(maximum time interval-P* that agreement allows
Default single piece of block gap * time).
Further, in addition to：
After first up piece of the user equipment transmission is received, sending packet uplink to the user equipment should
Answer, after the packet uplink response is sent, the USF of the setting user equipment is sent to preset block gap to the user equipment
Descending piece.
Further, in addition to：
After the channel request message that the user equipment is sent is received, performing the two-way time delay for judging link is
The no maximum time interval allowed more than agreement.
Further, a kind of device for realizing step access, including：Link detection module, judge module, block gap determine
Module and block transceiver module, wherein：
The link detection module, for calculating the two-way time delay of link；
The judge module, for judging whether the two-way time delay of the link is more than between the maximum time that agreement allows
Every；
The block gap determining module, for judging that the two-way time delay of the link is more than the association in the judge module
When discussing the maximum time interval allowed, it is determined that the Uplink State Flag for setting the user equipment sent to user equipment
(USF) descending piece of transmission block gap, the block gap that sends are more than the maximum time that two-way time delay/agreement of link allows
Interval；
Described piece of transceiver module, for the transmission block gap that the block gap determining module determines to the user equipment
Send descending piece of the USF that the user equipment is set.
Further, the block gap determining module, specifically for determining to the setting of the user equipment transmission use
The transmission block gap all same of descending piece of the USF of family equipment, also, be more than two-way time delay/agreement permission of the link
Maximum time interval.
Further, the block gap determining module, specifically for determine the transmission block at intervals of link it is two-way when
Prolong/agreement allow maximum time interval the value that rounds up；
Described piece of transceiver module, specifically at interval of descending piece of the value that rounds up, being sent out to the user equipment
Send a USF that the user equipment is set descending piece.
Further, the block gap determining module, it is individual specifically for P before determination (1 ＜ P ＜ N3104 count maximums)
The USF of the user equipment descending piece of transmission block is set at intervals of default block gap, it is determined that after P described descending piece
The USF of the user equipment descending piece of transmission block gap is set more than (it is mono- that the two-way time delay-P* of link presets block gap *
The time of individual block)/(maximum time interval-P* that agreement allows presets single piece of block gap * time).
In summary, the present invention is when the two-way time delay of link is beyond the standard for limiting time delay, between the transmission for adjusting USF
Every, meanwhile, after terminal is successfully accessed, cancel the constraint that this USF sends interval, guarantee according to actual conditions and
Time-division, user equipment will not discharge by force because of the restrictive condition that a step accesses, so as to solve the time delay of link with up fast
Long the problem of leading to not access.
Brief description of the drawings
Fig. 1 is the flow chart of the method for realizing step access of embodiment of the present invention；
Fig. 2 is the Organization Chart of the device for realizing step access of embodiment of the present invention.
Embodiment
Present embodiment proposes one kind and distributes up piece of resource according to time delay, avoids N3104 from reaching the method for maximum.
During Conflict solving, after BSC gets two-way time delay D, it is determined that setting Uplink State Flag (Uplink State
Flag, USF) descending piece of transmission block gap I meet I ＞ D/ agreements allow maximum time interval, agreement allow maximum
The maximum count value and the product of single piece of time that time interval is N3104, Uplink State Flag are used in dynamic point
Wireless channel is used with multiple user equipmenies are controlled under pattern.
Assuming that after BSC sets USF on descending piece first, after user equipment receives descending piece, first is sent according to USF
Individual block, when reaching the D/2 times, BSC replys packet uplink response, and after the D/2 times, packet uplink response reaches BTS.From with
Family equipment sends first block and arrived that to receive time of packet uplink response be D, and during this period of time, BSC settings USF's is descending
The number of block is that D/ sends the time corresponding to the I of block gap, in present embodiment, to avoid because two-way time delay causes user equipment
It can not access, determine that D/ sends time ＜ N3104_MAX corresponding to the I of block gap, that is, determine that USF transmission block gap I meets I ＞
The maximum time interval that D/ agreements allow, send block gap and refer to that BSC is sent out for descending piece every transmission block gap to user equipment
Send a USF for carrying the user equipment descending piece.In present embodiment two-way time delay/agreement of link can be used to allow
Maximum time interval the value that rounds up as block gap is sent, individual descending piece at interval of the value that rounds up, to user equipment
Send descending a piece that the USF of the user equipment is set.
Connect present embodiments provide for one kind by distributing the long caused step of up piece of resource solution Abis mouth time delay
Enter the method for failure, be not limited only to Abis mouths here, because user equipment to the time delay between BSC is long causes to permit more than agreement
Perhaps the method that the various situations of maximum time interval can use present embodiment.
Present embodiment can determine the USF for setting the user equipment sent to user equipment descending piece of transmission block
All same is spaced, descending piece of the USF of setting user equipment individual to preceding P (1 ＜ P ＜ N3104 count maximums) can also be determined
Transmission block at intervals of default block gap, i.e. send one to user equipment every default block gap descending piece and the use be set
Descending piece of the USF of family equipment, after descending piece of the P USF for setting the user equipment is sent, according to following transmission block gap
Send descending piece of USF that the user equipment is set, i.e. (the two-way time delay-P* of link preset single piece of block gap * when
Between)/(maximum time interval-P* that agreement allows presets single piece of block gap * time).Minimum default block gap can be
One block, i.e., each up piece is distributed on the user equipment.
Meanwhile USF setting is only just limited during Conflict solving, after being successfully accessed, cancel this limitation, ensure
Up piece can be distributed in time according to actual conditions.
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Below for the scene of the long delay of Abis mouths, especially illustrated with satellite link.But as long as set from user
It is standby to the link duration between BSC meet the scene set by present embodiment when, the method that is applicable present embodiment.
In existing GSM mobile communcations systems, if user equipment carries out a step access, due to N3104 counters
Limitation, if Abis links are more than the time of 54 (maximum delay block number as defined in agreement) individual RLC/MAC blocks, single piece of time
20ms, i.e., more than 54*20=1080ms (maximum time interval that agreement allows), user equipment will be unable to be normally carried out being grouped industry
Business.Because in the case of satellite station, if step access waits chain-circuit time delay long, can not carry out, present embodiment is adopted
Solve the problems of the prior art with the mode for the transmission block gap all same for setting USF.
As shown in figure 1, the method for step access is realized for satellite link in the present embodiment, including：
Step S101：Link detection module in BSC detects the two-way time delay D of Abis mouth links in real time；
BSC records current block number in each of the lower on row block, BTS records up piece number on up piece, while records descending
The adjusted value of block number, BSC can be according to the block number of reception and the two-way time delays of the block number calculating outgoing link sent.
Step S102：User equipment is to BSC channel request messages；
Step S103：After BSC receives channel request message, whether the website where judging user equipment is satellite station
Point, if it is not, then carrying out giving tacit consent to GSM Packet Service handling processes；If it is, perform step S104；
Step S104：BSC judges whether a step accesses for the access way of user equipment, if it is not, then being given tacit consent to
GSM Packet Service handling processes；If it is, perform step S105；
Step S105：BSC judges whether the two-way time delay D of link is more than the maximum time interval that agreement allows, if double
It is less than the maximum time interval of agreement permission to time delay D, then continues default transport processing；If two-way time delay D is more than association
The maximum time interval allowed is discussed, then performs step 106；
Step 106：BSC adjusts USF transmission block gap I；
Adjust USF transmission block gap I ＞ (maximum time interval that D/ agreements allow).With link in present embodiment
The value that rounds up for the maximum time interval that two-way time delay/agreement allows is as transmission block gap.
Step S107：BSC sends descending piece of the first USF for setting the user equipment to user equipment, and is receiving
Before first up piece that user equipment is sent, sent to user equipment with to send block gap I and the USF of the user equipment is set
Descending piece；
Step S108：After user equipment receives descending piece of the USF of the first setting user equipment of BSC transmissions, to
BSC sends first up piece；
After D/2 times of the user equipment after descending piece that BSC sends the first USF for setting the user equipment, receive
Descending piece of the USF of the first setting user equipment.
Step S109：BSC sends packet uplink after first up piece of user equipment transmission is received, to user equipment
Response, after packet uplink response is sent, with preset block gap to user equipment send set the user equipment USF it is descending
Block.
For BSC after the D/2 times that user equipment sends after first up piece, receive user equipment transmission first is up
Block.BSC sends setting to send block gap I before first up piece of user equipment transmission is received to user equipment
Descending piece of the USF of the user equipment.
BSC is after first up piece of user equipment transmission is received, if user equipment still has upstream data to need to send out
Send, then BSC sets the USF of the user equipment on descending build immediately.
Fig. 2 show the device for realizing step access of present embodiment, including：Link detection module, judge module, block
Interval determination module and block transceiver module, wherein：
Link detection module, for calculating the two-way time delay of link；
Whether judge module, the two-way time delay for judging link are more than the maximum time interval that agreement allows；
Block gap determining module, the two-way time delay for judging link in judge module are more than the maximum time that agreement allows
During interval, it is determined that descending piece of hair of the Uplink State Flag (USF) for setting the user equipment sent to user equipment
Block gap is sent, block gap is sent and is more than the maximum time interval that two-way time delay/agreement of link allows；
Block transceiver module, the transmission block gap for being determined with block gap determining module is sent to user equipment sets the use
Descending piece of the USF of family equipment.
Block gap determining module, specifically for determining that the USF's for setting the user equipment to user equipment transmission is descending
The transmission block gap all same of block, also, the maximum time interval of two-way time delay/agreement permission more than link, such as determine hair
Send the value that rounds up of the maximum time interval for two-way time delay/agreement permission that block gap is link.
Block transceiver module, specifically at interval of descending piece of the value that rounds up, sending a setting to user equipment should
Descending piece of the USF of user equipment.
Block gap determining module, P (1 ＜ P ＜ N3104 count maximums) is individual before can also determining sets the user equipment
USF descending piece of transmission block at intervals of default block gap, it is determined that the USF of setting user equipment after P is descending piece
Descending piece of transmission block gap is more than (time that the two-way time delay-P* of link presets single piece of block gap *)/(agreement allows
Maximum time interval-P* presets single piece of block gap * time).
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, so as to being stored in
Performed in storage device by computing device, they are either fabricated to each integrated circuit modules respectively or by them
Multiple modules or step be fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hard
Part and software combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. method for realizing step access, it is characterised in that including：The two-way time delay of link is calculated, judges whether the two-way time delay of the link is more than the maximum time interval that agreement allows, When the two-way time delay of the link is more than the maximum time interval that agreement allows, it is determined that the setting use sent to user equipment The Uplink State Flag USF of family equipment descending piece of transmission block gap, wherein, the block gap that sends is more than link The maximum time interval that two-way time delay or agreement allow, sent with the transmission block gap of determination to the user equipment and the use is set Descending piece of the USF of family equipment.
- 2. the method as described in claim 1, it is characterised in that described to determine to the setting of the user equipment transmission user equipment USF descending piece of transmission block gap, including：It is determined that the USF that the user equipment is set sent to the user equipment descending piece of transmission block gap all same, and And the maximum time interval of two-way time delay or the agreement permission more than the link.
- 3. method as claimed in claim 2, it is characterised in that also include：The value that rounds up for the maximum time interval that the transmission block allows at intervals of the two-way time delay or agreement of link is determined, often Descending piece of the value that rounded up described in interval, descending a piece that the USF of the user equipment is set is sent to the user equipment.
- 4. the method as described in claim 1, it is characterised in that described to determine to the setting of the user equipment transmission user equipment USF descending piece of transmission block gap, including：It is determined that the first P USF for setting the user equipment descending piece of transmission block is at intervals of default block gap, wherein, 1 ＜ P ＜ N3104 count maximums, it is determined that descending piece of the transmission of the USF for setting the user equipment after P described descending piece Block gap be more than (time that the two-way time delay-P* of link presets single piece of block gap *)/(maximum time interval that agreement allows- P* presets single piece of block gap * time).
- 5. the method as described in claim 1, it is characterised in that also include：After first up piece of the user equipment transmission is received, packet uplink response is sent to the user equipment, After sending the packet uplink response, sent with presetting block gap to the user equipment under the USF that the user equipment is set Row block.
- 6. the method as described in claim 1, it is characterised in that also include：After the channel request message that the user equipment is sent is received, whether big the two-way time delay for judging link is performed In the maximum time interval that agreement allows.
- A kind of 7. device for realizing step access, it is characterised in that including：Link detection module, judge module, block gap determine Module and block transceiver module, wherein：The link detection module, for calculating the two-way time delay of link；Whether the judge module, the two-way time delay for judging the link are more than the maximum time interval that agreement allows；The block gap determining module, for judging that the two-way time delay of the link permits more than the agreement in the judge module During maximum time interval perhaps, it is determined that the Uplink State Flag USF of the setting user equipment sent to user equipment Descending piece of transmission block gap, the block gap that sends are more than the maximum time interval that the two-way time delay or agreement of link allow；Described piece of transceiver module, the transmission block gap for being determined with the block gap determining module are sent to the user equipment Descending piece of the USF of the user equipment is set.
- 8. device as claimed in claim 7, it is characterised in that：The block gap determining module, specifically for determining the USF's for setting the user equipment to user equipment transmission Descending piece of transmission block gap all same, also, the maximum time interval of two-way time delay or the agreement permission more than the link.
- 9. device as claimed in claim 8, it is characterised in that：The block gap determining module, specifically for determining the transmission block at intervals of two-way time delay or the agreement permission of link The value that rounds up of maximum time interval；Described piece of transceiver module, specifically at interval of descending piece of the value that rounds up, one is sent to the user equipment Descending piece of the USF of the individual setting user equipment.
- 10. device as claimed in claim 7, it is characterised in that：The block gap determining module, the USF of the user equipment descending piece of transmission block is set specifically for P before determination At intervals of default block gap, wherein, 1 ＜ P ＜ N3104 count maximums, it is determined that the setting use after P described descending piece The USF of family equipment descending piece of transmission block gap be more than (the two-way time delay-P* of link preset single piece of block gap * when Between)/(maximum time interval-P* that agreement allows presets single piece of block gap * time).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037118.2A CN103139919B (en) | 2011-11-22 | 2012-02-17 | A kind of method and device for realizing step access |
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| CN2011103744128 | 2011-11-22 | ||
| CN201110374412.8 | 2011-11-22 | ||
| CN201110374412 | 2011-11-22 | ||
| CN201210037118.2A CN103139919B (en) | 2011-11-22 | 2012-02-17 | A kind of method and device for realizing step access |
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| Publication Number | Publication Date |
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| CN103139919A CN103139919A (en) | 2013-06-05 |
| CN103139919B true CN103139919B (en) | 2018-01-19 |
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| CN201210037118.2A Active CN103139919B (en) | 2011-11-22 | 2012-02-17 | A kind of method and device for realizing step access |
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| EP4262119A1 (en) * | 2020-12-11 | 2023-10-18 | Beijing Xiaomi Mobile Software Co., Ltd. | Data transmission method and apparatus, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198093A (en) * | 2007-12-25 | 2008-06-11 | 中兴通讯股份有限公司 | Control method for dynamic regulating forward service flux |
| CN101568168A (en) * | 2008-04-22 | 2009-10-28 | 华为技术有限公司 | Packet incontinuous transmission method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127587B (en) * | 2007-09-25 | 2011-12-28 | 中兴通讯股份有限公司 | A method for triggering automatic retransfer request status report |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198093A (en) * | 2007-12-25 | 2008-06-11 | 中兴通讯股份有限公司 | Control method for dynamic regulating forward service flux |
| CN101568168A (en) * | 2008-04-22 | 2009-10-28 | 华为技术有限公司 | Packet incontinuous transmission method and device |
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