CN105704761B - A kind of method and device of transmission data block - Google Patents
A kind of method and device of transmission data block Download PDFInfo
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- CN105704761B CN105704761B CN201410710052.8A CN201410710052A CN105704761B CN 105704761 B CN105704761 B CN 105704761B CN 201410710052 A CN201410710052 A CN 201410710052A CN 105704761 B CN105704761 B CN 105704761B
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Abstract
The embodiment of the invention discloses a kind of method and devices of transmission data block, the described method includes: the quantity of the data block of wireless chain control layer statistics caching, judge whether the quantity of data block is less than setting threshold value, setting threshold value is greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down；If being less than setting threshold value, wireless chain control layer sends the order for generating logical link information frame to logical link control layer；Logical link control layer receives the order for generating logical link information frame, generates logical link information frame according to the order for generating logical link information frame, and be sent to wireless chain control layer；Wireless chain control layer receives logical link information frame, and caches.The method and device of disclosed transmission data block through the embodiment of the present invention increases the quantity of the data block of caching, prevents from entering the process that counts down, avoids repeating to build Temporary Block Flow transmission data block in a short time, improve the transmission performance of data block.
Description
Technical field
The present embodiments relate to technical field of data transmission more particularly to a kind of method and devices of transmission data block.
Background technique
GPRS (General Packet Radio Service, general packet radio service)/EDGE (Enhanced
Data Rate for GSM Evolution, enhanced data rates for gsm evolution) technology is widely used in network, GPRS/
EDGE technology can send and receive data with end-to-end packet transfer mode, be web page browsing, multimedia message and instant messaging etc.
Business provides network support.
In the network of application GPRS/EDGE technology, the occasional transmission link established between terminal and network is used for transmission
Data, the occasional transmission link are referred to as Temporary Block Flow (TBF, Temporary Block Flow), and the data transmitted are divided
It include several data in radio link control block at one group of wireless spread-spectrum technology (RLC, Radio Link Control) block
Block.When Temporary Block Flow transmits each data block, when terminal detects that the quantity of the data block of caching is less than agreement specified thresholds
When, need to be implemented the process of counting down.
The process of counting down includes: to fill in countdown amount (CV, Countdown Value) on the head of each data block, when
Terminal is 0 in the countdown amount that data block header is filled in when sending the last one data block.It is when network receives countdown amount
After 0 data block, if network does not support expansible temporary up-link block flow, temporary up-link block flow can be released immediately, if net
Network supports expansible temporary up-link block flow, then network allows in preset time without transmitting uplink data, and sustained release uplink is interim
Block stream.
Currently, under web page browsing, instant messaging and list FTP (File Transfer Protocol, File Transfer Protocol)
The uplink traffic that the user behavior of load generates is less, and the transmission of temporary up-link block flow has the short intervals period.It is not supporting
In the network of expansible uplink data block or the setting of sustained release time is too short, can all cause after the uplink data block of release
The of short duration intermittent phase in, terminal applies for establishing again Temporary Block Flow and sends data block, and causing terminal to frequently enter, " release uplink is faced
When block stream-re-establish temporary up-link block flow " circulation, data transmission performance is poor.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of transmission data block, to realize the property for improving transmission data block
Energy.
On the one hand, the embodiment of the invention provides a kind of methods of transmission data block, comprising:
The quantity of the data block of wireless chain control layer statistics caching, judges whether the quantity of the data block is less than setting
Threshold value, the setting threshold value are greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down；
If being less than the setting threshold value, the wireless chain control layer sends to logical link control layer and generates logic
The order of link information frame；
The logical link control layer receives the order for generating logical link information frame, according to the generation logic chain
The order of road information frame generates the logical link information frame, and is sent to the wireless chain control layer；
The wireless chain control layer receives the logical link information frame, and caches.
Preferably, the life of generation logical link information frame is sent to logical link control layer in the wireless chain control layer
Before order further include:
Wireless chain control layer judgement symbol position whether set, the original state of the flag bit is non-set；
Then the wireless chain control layer includes: to the order that logical link control layer sends generation logical link information frame
If the non-set of flag bit, the wireless chain control layer sends to logical link control layer and generates logic chain
The order of road information frame.
Preferably, after the wireless chain control layer judges the non-set of the flag bit, to logical link control layer
Before the order for sending generation logical link information frame, further includes:
It is determined whether to enable timers for the wireless chain control layer；
If not opening, the timer is opened；
In the operation duration of the timer, further includes: the wireless chain control layer judges whether to receive new
Data block；
If not receiving the new data block, by the flag bit set.
Preferably, the setting threshold ThAre as follows:
Th=NTS × K × (BS_CV_MAX+n)；
Wherein, NTS is timeslot number, and K is the number for the data block for including, BS_CV_ in a radio link control block
MAX is the configuration parameter in system message, and n is sending cycle number.
Preferably, the frame check sequence position of the logical link information frame is invalid.
On the other hand, the embodiment of the invention also provides a kind of devices of transmission data block, comprising:
Data block quantity statistics module, is set in wireless chain control layer, the quantity of the data block for counting caching,
Judge whether the quantity of the data block is less than setting threshold value, the setting threshold value is greater than Radio Link control as defined in agreement
Preparative layer enters the threshold value for the state that counts down；
Command sending module is set in the wireless chain control layer, if for being less than the setting threshold value, to
Logical link control layer sends the order for generating logical link information frame；
Logical link information frame generation module, is set in the logical link control layer, patrols for receiving the generation
The order for collecting link information frame generates the logical link information frame according to the order for generating logical link information frame, and
It is sent to the wireless chain control layer；
Logical link information frame receiving module, is set to the wireless chain control layer, for receiving the logical links
Information frame, and cache.
Preferably, described device, further includes:
Flag bit judgment module is set in the wireless chain control layer, for sending to logical link control layer
Before the order for generating logical link information frame, judgement symbol position whether set, the original state of the flag bit is non-set；
Then the logical link information frame generation module specifically, receive it is described generate logical link information frame order,
If the non-set of flag bit, the logical link information frame is generated according to the order for generating logical link information frame, and
It is sent to the wireless chain control layer.
Preferably, the logical link information frame generation module further include:,
Timer opens judgment module, is used for after the wireless chain control layer judges the non-set of the flag bit,
Before sending the order for generating logical link information frame to logical link control layer, it is determined whether to enable timers；
Timer opening module, if opening the timer for not opening；
New data block receives judgment module, for judging whether to receive new in the operation duration of the timer
Data block；
Flag bit set module, if for not receiving the new data block, the flag bit set.
Preferably, the frame check sequence position of the logical link information frame is invalid.
The method and device of a kind of transmission data block provided in an embodiment of the present invention, by being cached in wireless chain control layer
Data number of blocks be less than setting threshold value when to logical link control layer send generate logical link information frame order；Logic
Link control layers generate logical link information frame, and are sent to wireless chain control layer；Wireless chain control layer receives logic chain
Road information frame, and cache, to increase the quantity of data block in wireless chain control layer, prevents from entering the process that counts down, keep away
Exempt to repeat to build Temporary Block Flow transmission data block in a short time, improves the transmission performance of data block.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the transmission data block that the embodiment of the present invention one provides；
Fig. 2 is a kind of schematic diagram for logical link information frame that the embodiment of the present invention one and example IV provide；
Fig. 3 is the flow diagram of the method for transmission data block provided by Embodiment 2 of the present invention；
Fig. 4 (a) is a kind of flow diagram of the method for transmission data block that the embodiment of the present invention three provides；
Fig. 4 (b) is a kind of interaction schematic diagram of the method for transmission data block that the embodiment of the present invention three provides；
Fig. 5 is the structural schematic diagram of the device for the transmission data block that the embodiment of the present invention four provides；
Fig. 6 is the structural schematic diagram of the device for the transmission data block that the embodiment of the present invention five provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow diagram of the method for transmission data block that the embodiment of the present invention one provides.
A kind of method for transmission data block that the embodiment of the present invention one provides, this method be applicable to establish Temporary Block Flow to
In the case where terminal transmission data, this method can be executed by a kind of device of transmission data block, which can be only fitted to
It is capable of handling in the server of network data.This method specifically includes:
Step S101, the quantity of the data block of wireless chain control layer statistics caching, judges whether the quantity of data block is small
In setting threshold value, setting threshold value is greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down；
In step s101, for wireless chain control layer after the data block for having sent preset quantity to terminal, statistics is current
The quantity of the data block of caching, i.e., the quantity for the data block not sent to terminal.The data block of the preset quantity can be centainly
The data block of quantity, such as a data block, two data blocks；The data block being also possible in certain time length, such as at one
Data block in gap.Judge whether the quantity of data block is less than setting threshold value, the threshold T of settinghIt can be Th=NTS × K
×(BS_CV_MAX+n)；Wherein, NTS is timeslot number, and K is the number for the data block for including in a radio link control block,
BS_CV_MAX is the configuration parameter in system message, and n (n is the positive integer more than or equal to 0) is sending cycle number.To ensure
Within the n period later, the process that counts down will not be entered, prevent release Temporary Block Flow.When terminal detects the data of caching
When the quantity of block is less than threshold value of the wireless chain control layer as defined in agreement into the state that counts down, Temporary Block Flow, which enters, to be fallen to count
Number process, after terminal sends the last one data block, that is, the process of counting down terminates, and network releases immediately Temporary Block Flow.Due to
The low-volume traffic streams measurer such as web page browsing, instant messaging has periodicity, to avoid repeating in the short time " establishing Temporary Block Flow-release
Temporary Block Flow ", therefore, setting threshold value are greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down.
Step S102, if being less than setting threshold value, wireless chain control layer sends to generate to logical link control layer and patrol
Collect the order of link information frame.
In step s 102, if being less than setting threshold value, the process that counts down will be entered, completed in the process that counts down
Afterwards, the Temporary Block Flow formerly established can be discharged, to prevent release Temporary Block Flow, then wireless chain control layer is to logic link control
Layer sends the order for generating logical link information frame.It is set if the quantity of the data block cached in wireless chain control layer is more than or equal to
Determine threshold value, then will not enter the process that counts down, the order for generating logical link information frame is not sent to logical link control layer.
Step S103, logical link control layer receive the order for generating logical link information frame, according to generation logical links
The order of information frame generates logical link information frame, and is sent to wireless chain control layer.
In step s 103, to avoid logical link information frame from impacting the normal transmission of data block, the logic chain
Road information frame uses special format, as shown in Figure 2, wherein N201-U is the maximum value of logical link information layer information field, is patrolled
FCS (Frame Check Sequence, the frame check sequence) position for collecting link information frame is invalid.
Step S104, wireless chain control layer receives logical link information frame, and caches.
In step S104, after wireless chain control layer cache logic link information frame, continue according to normal hair
Timing transmission data block and information frame, normal transmission timing is sent to can be the timing of first in first out.It is received in correspondent entity
After the logical link information frame, since the position FCS of the logical link information frame is invalid, the logical link information frame is abandoned, thus
It will not influence normal transmission of data blocks.
A kind of method of transmission data block disclosed in one through the embodiment of the present invention, by being cached in wireless chain control layer
Data number of blocks be less than setting threshold value when to logical link control layer send generate logical link information frame order；Logic
Link control layers generate logical link information frame, and are sent to wireless chain control layer；Wireless chain control layer receives logic chain
Road information frame, and cache, to increase the quantity of data block in wireless chain control layer, prevents from entering the process that counts down, keep away
Exempt to repeat to build Temporary Block Flow transmission data block in a short time, improves the transmission performance of data block.
Embodiment two
Fig. 3 is a kind of flow diagram of the method for transmission data block provided by Embodiment 2 of the present invention.
A kind of method of transmission data block provided by Embodiment 2 of the present invention, increases judgement on the basis of example 1
Flag bit whether set the step of, improve judge whether need send generate logical link information frame order accuracy,
Specifically includes the following steps:
Step S301, the quantity of the data block of wireless chain control layer statistics caching, judges whether the quantity of data block is small
In setting threshold value, setting threshold value is greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down；If
Step can be then repeated if it is greater than or equal to setting threshold value less than the operation that setting threshold value thens follow the steps S302
The operation of S301.
Step S302, wireless chain control layer judgement symbol position whether set.
In step s 302, it needs to be illustrated, flag bit mainly includes set and non-set two states；Its
In, the original state of flag bit is non-set；If the non-set in judgement symbol position, thens follow the steps S303；If flag bit set,
Indicate entry into the process of counting down.
Step S303, wireless chain control layer send the order for generating logical link information frame to logical link control layer.
Step S304, logical link control layer receive the order for generating logical link information frame, according to generation logical links
The order of information frame generates logical link information frame, and is sent to wireless chain control layer.
Step S305, wireless chain control layer receives logical link information frame, and caches.
The implementation procedure phase for the S102-S104 that the implementation procedure of above-mentioned steps S303-305 is provided with the embodiment of the present invention one
Together, details are not described herein.
Through the embodiment of the present invention two provide a kind of transmission data blocks method, increase judgement symbol position whether set
The step of, can according to flag bit, whether set judges whether entered the process of counting down, if coming into the process of counting down,
Then wireless chain control layer does not send the order for generating logical link information frame to logical link control layer, improves and judges whether
Need to send the accuracy for generating the order of logical link information frame.
Embodiment three
Fig. 4 (a) is a kind of flow diagram of the method for transmission data block that the embodiment of the present invention three provides.
Fig. 4 (b) is a kind of interaction schematic diagram of the method for transmission data block that the embodiment of the present invention three provides.
A kind of method of transmission data block provided by Embodiment 2 of the present invention, increases sentence on the basis of the above embodiments
The step of whether disconnected timer is opened guarantees normal transmission of data blocks, specifically includes following steps；
Step S401, the quantity of the data block of wireless chain control layer statistics caching, judges whether the quantity of data block is small
In setting threshold value, which is greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down.
In step S401, if the quantity of the data block of caching is less than the operation that setting threshold value thens follow the steps S402,
If it is greater than or equal to setting threshold value, then the operation of step S401 can be repeated.
Step S402, wireless chain control layer judgement symbol position whether set.
In step S402, if the non-set in judgement symbol position, thens follow the steps S403；If flag bit set, then it represents that into
Enter the process that counts down.
Step S403, it is determined whether to enable timers for wireless chain control layer；
In step S403, if wireless chain control layer judges non-opening timing device, S404 is thened follow the steps；If radio chains
Circuit control layer judgement has turned on timer, thens follow the steps S405；
Step S404, opening timing device.
In step s 404, the operation duration of timer may be set within 5 seconds.
Step S405, in the operation duration of timer, wireless chain control layer judges whether to receive new data block；
In step S405, if receiving new data block, then it represents that data traffic has periodically, such as web page browsing generates
Data flow and the data flow etc. that generates of instant messaging.And continue to execute the operation of step S406；If not receiving new data block,
Then by flag bit set, into the process of counting down.
Step S406, wireless chain control layer send the order for generating logical link information frame to logical link control layer.
Step S407, logical link control layer receive the order for generating logical link information frame, according to generation logical links
The order of information frame generates logical link information frame, and is sent to wireless chain control layer:
Step S408, wireless chain control layer receives logical link information frame, and caches.
The method of the three a kind of transmission data blocks provided through the embodiment of the present invention, increases and judges whether timer is opened
The step of, in timer operation duration, judge whether to receive new data block, it, will if not receiving new data block
Flag bit set forbids wireless chain control layer to send the order for generating logical link information frame to logical link control layer, into
Enter the process that counts down, discharges Temporary Block Flow, guarantee normal transmission of data blocks.
Example IV
Fig. 5 is a kind of structural schematic diagram of the device for transmission data block that the embodiment of the present invention four provides.
The embodiment of the present invention four provides a kind of device of transmission data block, can be adapted for establishing Temporary Block Flow to terminal
In the case where transmitting data, comprising: data block quantity statistics module 51, command sending module 52, logical link information frame generate
Module 53 and logical link information frame receiving module 54；
Specifically, data block quantity statistics module 51, is set in wireless chain control layer, for counting the data of caching
The quantity of block, judges whether the quantity of data block is less than setting threshold value, and setting threshold value is greater than Radio Link as defined in agreement
Control layer enters the threshold value for the state that counts down；Command sending module 52, is set in wireless chain control layer, if for being less than
Threshold value is set, then sends the order for generating logical link information frame to logical link control layer；Logical link information frame generates
Module 53, is set in logical link control layer, for receiving the order for generating logical link information frame, according to generation logic chain
The order of road information frame generates logical link information frame, and is sent to wireless chain control layer；Logical link information frame receives mould
Block 54, is set to wireless chain control layer, for receiving logical link information frame, and caches.
It needs to be illustrated, in data block quantity statistics module 51, in the number for having sent preset quantity to terminal
After block, the quantity of the data block of current cache, i.e., the quantity for the data block not sent to terminal are counted.The number of the preset quantity
It can be a certain number of data blocks, such as a data block, two data blocks according to block；The data being also possible in certain time length
Data block in block, such as a time slot.Judge whether the quantity of data block is less than setting threshold value, the threshold T of settinghIt can
To be Th=NTS × K × (BS_CV_MAX+n)；Wherein, NTS is timeslot number, and K, which is in a radio link control block, includes
The number of data block, BS_CV_MAX are the configuration parameter in system message, and n (n is the positive integer more than or equal to 0) is to send week
Issue.To ensure within the n period later, the process that counts down will not be entered, prevent release Temporary Block Flow.
In command sending module 52, if the quantity of data block is less than setting threshold value, then it represents that will enter and count down
Process discharges the Temporary Block Flow formerly established after the completion of counting down process.To prevent release Temporary Block Flow, then generation is sent
The order of logical link information frame；If the quantity of the data block cached in wireless chain control layer is more than or equal to setting threshold value,
It then indicates that the process that counts down will not be entered, forbids wireless chain control layer to send to logical link control layer and generate logical links letter
Cease the order of frame.
In logical link information frame generation module 53, to avoid logical link information frame from making the normal transmission of data block
At influence, which uses special format, as shown in Figure 2, wherein N201-U is logical link information layer letter
The maximum value in domain is ceased, FCS (Frame Check Sequence, frame check sequence) position of logical link information frame is invalid.
In logical link information frame receiving module 54, after wireless chain control layer cache logic link information frame,
Continue to be sent according to normal transmission timing to terminal transmission data block and information frame, normal transmission timing and can be advanced elder generation
Timing out.After terminal receives the logical link information frame, since the position FCS of the logical link information frame is invalid, then lose
The logical link information frame is abandoned, to will not influence normal transmission of data blocks.
A kind of device of transmission data block disclosed in four through the embodiment of the present invention, by being cached in wireless chain control layer
Data number of blocks be less than setting threshold value when to logical link control layer send generate logical link information frame order；Logic
Link control layers generate logical link information frame, and are sent to wireless chain control layer；Wireless chain control layer receives logic chain
Road information frame, and cache, to increase the quantity of data block in wireless chain control layer, prevents from entering the process that counts down, keep away
Exempt to repeat to build Temporary Block Flow transmission data block in a short time, improves the transmission performance of data block.
Embodiment five
Fig. 6 is a kind of device for transmission data block that the embodiment of the present invention five provides, and is mentioned relative to the embodiment of the present invention four
The device of a kind of transmission data block supplied, comprising: data block quantity statistics module 61, flag bit judgment module 62, order are sent
Module 63, logical link information frame generation module 64 and logical link information frame receiving module 65.
Specifically, data block quantity statistics module 61, is set in wireless chain control layer, for counting the data of caching
The quantity of block, judges whether the quantity of data block is less than setting threshold value, and setting threshold value is greater than Radio Link as defined in agreement
Control layer enters the threshold value for the state that counts down；Flag bit judgment module 62, is set in wireless chain control layer, for
Logical link control layer send generate logical link information frame order before, judgement symbol position whether set, flag bit just
Beginning state is non-set；Command sending module 63, is set in wireless chain control layer, if for being less than setting threshold value,
The order for generating logical link information frame is sent to logical link control layer；Logical link information frame generation module 64 is specifically used
In, the order for generating logical link information frame is received, if the non-set of flag bit, the order production of foundation generation logical link information frame
Raw logical link information frame, and it is sent to wireless chain control layer；Logical link information frame receiving module 65, is set to radio chains
Circuit control layer for receiving logical link information frame, and caches.Can according to flag bit whether set judge whether one enter
Count down process, if coming into the process of counting down, wireless chain control layer does not send to generate to logical link control layer and patrol
The order of link information frame is collected, the accuracy for judging whether to need to send the order for generating logical link information frame is improved.
In a preferred embodiment of the invention mode, logical link information frame generation module 64 further include:
Timer opens judgment module 641, is used for after the non-set in wireless chain control layer judgement symbol position, to logic
Before link control layers send the order for generating logical link information frame, it is determined whether to enable timers；
Timer opening module 642, if for not opening, opening timing device；
New data block receives judgment module 643, receives new number for judging whether in the operation duration of timer
According to block；Wherein, the duration of timer can be set within 5 seconds.
Flag bit set module 644, if for not receiving new data block, flag bit set.Specifically, indicating
After the position of position, when the quantity of the data block cached in wireless chain control layer is less than setting threshold value, also not to logical links
Control layer sends the order for generating logical link information frame.When the data block cached in wireless chain control layer quantity be less than etc.
When the wireless chain control layer as defined in agreement enters the threshold value for the state that counts down, Temporary Block Flow enters the process that counts down；When
After the process that counts down, Temporary Block Flow is released immediately.
A kind of method of transmission data block disclosed in five through the embodiment of the present invention, and in timer operation duration,
Judge whether to receive new data block, if not receiving new data block, by flag bit set, forbids wireless spread-spectrum technology
Layer sends the order for generating logical link information frame to logical link control layer, into the process of counting down, discharges Temporary Block Flow, protects
Demonstrate,prove normal transmission of data blocks.
It note that the above is only a better embodiment of the present invention and the applied technical principle.Those skilled in the art can manage
Solution, the present invention is not limited to specific embodiments here, are able to carry out various apparent variations, again for a person skilled in the art
New adjustment and substitution are without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, may be used also
To include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (9)
1. a kind of method of transmission data block characterized by comprising
The quantity of the data block of wireless chain control layer statistics caching, judges whether the quantity of the data block is less than setting thresholding
Value, the setting threshold value are greater than the threshold value that wireless chain control layer as defined in agreement enters the state that counts down, the agreement
For general packet radio service GPRS agreement or enhanced data rates for gsm evolution EDGE agreement；
If being less than the setting threshold value, the wireless chain control layer sends to logical link control layer and generates logical links
The order of information frame；
The logical link control layer receives the order for generating logical link information frame, believes according to the generation logical links
The order for ceasing frame generates the logical link information frame, and is sent to the wireless chain control layer；
The wireless chain control layer receives the logical link information frame, and caches.
2. the method according to claim 1, wherein in the wireless chain control layer to logical link control layer
Before the order for sending generation logical link information frame further include:
Wireless chain control layer judgement symbol position whether set, the original state of the flag bit is non-set；
Then the wireless chain control layer includes: to the order that logical link control layer sends generation logical link information frame
If the non-set of flag bit, the wireless chain control layer is sent to logical link control layer generates logical links letter
Cease the order of frame.
3. according to the method described in claim 2, it is characterized in that, judging the flag bit not in the wireless chain control layer
After set, before the order that generation logical link information frame is sent to logical link control layer, further includes:
It is determined whether to enable timers for the wireless chain control layer；
If not opening, the timer is opened；
In the operation duration of the timer, further includes: the wireless chain control layer judges whether to receive new data
Block；
If not receiving the new data block, by the flag bit set.
4. the method according to claim 1, wherein the setting threshold ThAre as follows:
Th=NTS × K × (BS_CV_MAX+n)；
Wherein, NTS is timeslot number, and K is the number for the data block for including, BS_CV_MAX in a radio link control block
For the configuration parameter in system message, n is sending cycle number.
5. the method according to claim 1, wherein the frame check sequence position nothing of the logical link information frame
Effect.
6. a kind of device of transmission data block characterized by comprising
Data block quantity statistics module, is set in wireless chain control layer, the quantity of the data block for counting caching, judgement
Whether the quantity of the data block is less than setting threshold value, and the setting threshold value is greater than wireless chain control layer as defined in agreement
Into the threshold value for the state of counting down, the agreement is general packet radio service GPRS agreement or enhanced data rates for gsm
Evolution EDGE agreement；
Command sending module is set in the wireless chain control layer, if for being less than the setting threshold value, to logic
Link control layers send the order for generating logical link information frame；
Logical link information frame generation module, is set in the logical link control layer, for receiving the generation logic chain
The order of road information frame generates the logical link information frame according to the order for generating logical link information frame, and sends
To the wireless chain control layer；
Logical link information frame receiving module, is set to the wireless chain control layer, for receiving the logical link information
Frame, and cache.
7. device according to claim 6, which is characterized in that further include:
Flag bit judgment module is set in the wireless chain control layer, for sending generation to logical link control layer
Before the order of logical link information frame, judgement symbol position whether set, the original state of the flag bit is non-set；
Then the logical link information frame generation module is specifically, receive the order for generating logical link information frame, if institute
The non-set of flag bit is stated, generates the logical link information frame according to the order for generating logical link information frame, and send
To the wireless chain control layer.
8. device according to claim 7, which is characterized in that the logical link information frame generation module further include:
Timer opens judgment module, for after the wireless chain control layer judges the non-set of the flag bit, to patrolling
Before collecting the order that link control layers send generation logical link information frame, it is determined whether to enable timers；
Timer opening module, if opening the timer for not opening；
New data block receives judgment module, receives new data for judging whether in the operation duration of the timer
Block；
Flag bit set module, if for not receiving the new data block, the flag bit set.
9. device according to claim 6, which is characterized in that the frame check sequence position nothing of the logical link information frame
Effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710052.8A CN105704761B (en) | 2014-11-28 | 2014-11-28 | A kind of method and device of transmission data block |
Applications Claiming Priority (1)
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