CN106034088A - Packet loss control method and apparatus thereof - Google Patents
Packet loss control method and apparatus thereof Download PDFInfo
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- CN106034088A CN106034088A CN201510119077.5A CN201510119077A CN106034088A CN 106034088 A CN106034088 A CN 106034088A CN 201510119077 A CN201510119077 A CN 201510119077A CN 106034088 A CN106034088 A CN 106034088A
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Abstract
The invention provides a packet loss control method and an apparatus thereof. Currently, under the condition that a continuous packet loss number is large, ROHC compression efficiency is reduced. By using the method and the apparatus of the invention, the above problem is solved. The data packet loss control method comprises the following steps of parsing a received data packet, determining a Profile algorithm type used by the data packet, and determining a threshold value of continuous packet loss according to the determined Profile algorithm type; and calculating the number of continuous packet loss in real time, dropping a current data packet if the calculated number of packet loss is less than the threshold value of continuous packet loss , and skipping the current data packet if the calculated number of packet loss is not less than the threshold value of continuous packet loss. By using the above scheme, ROHC compression efficiency is guaranteed.
Description
Technical field
The present invention relates to field of mobile communication, particularly relate to a kind of packet loss control method and device.
Background technology
ROHC (Robust Header Compression Protocol, robustness header compression agreement) is a kind of
Universal compressed technology based on IP (Internet Protocol, Internet Protocol), it can apply to 3G
Any standard of (The Third Generation, the 3rd generation) communication technology, it is also possible to apply at LTE
(Long Term Evolution, Long Term Evolution) etc. are technical, operate mainly in base station and user terminal it
Between.
ROHC compression process comprises two kinds of worker state machine, is respectively as follows: compressive state machine and decompresses shape
State machine.Three kinds of compressive states of ROHC compression end are respectively as follows: IR, FO and SO from low to high.Compression end
Begin operating under minimum state IR, the most progressively change to high state.When compression end has enough abilities
Determine that when solution pressure side has enough contextual informations for decompressing compressed package, compression end will remain operating in the highest
State SO.In flowing at one, if some territory is due to continual data package dropout in original packet header, occur in that suddenly relatively
Big change, can cause the decline of compression end state, conciliates the context of pressure side with synchronous compression end, so
The compression efficiency of ROHC is greatly reduced the most therewith.
The packet loss function that PDCP Discard is PDCP layer to be realized to prevent data from overstocking, existing loses
Machine contracting system is substantially classified as two kinds, and a kind of is mechanism based on tail drop, i.e. when occurring that congested or caching overflows
When going out, simply abandon follow-up arrival and the packet that can put nowhere；Another kind is based on intervalometer or time
The drop mechanism of stamp, this method, by the setting to Timer Threshold, can play prevention caching in advance and overflow
Go out and congested effect, cache the packet congestion time by real time scan, the bag exceeding threshold value is abandoned place
Reason.Both mechanism does not consider the packet loss impact on ROHC compression efficiency, in the situation of network congestion
Under, inevitably there will be the situation of continual data package dropout, then will certainly cause in message in this case
There is bigger saltus step in critical field, in the process of ROHC compressor, if some critical field occurs big
Saltus step, such as IPID (Internet Protocol Identification, Internet Protocol Identification), TS (Time
Stamp, timestamp), SN (Sequence Number, serial number), then compressor state can be caused to return
Move back, send initial message, thus reduce ROHC compression efficiency.
Summary of the invention
The present invention provides a kind of packet loss control method and device, the biggest at continual data package dropout number in order to solve
In the case of, the problem reducing ROHC compression efficiency.
According to an aspect of the invention, it is provided a kind of packet loss control method, including: parsing receives
Packet, determines the Profile algorithm types that packet uses, according to the Profile algorithm types determined
Determine continual data package dropout threshold value；Real-time statistics continual data package dropout number, if the packet loss number counted is less than continuously
Packet loss threshold value, then abandon current data packet, if the packet loss number counted is not less than continual data package dropout thresholding
Value, then skip current data packet.
Wherein, resolve the packet received, determine the Profile algorithm types that packet uses, according to really
The Profile algorithm types made determines continual data package dropout threshold value, including: the Profile used according to packet
Algorithm types, filters out the critical field that robustness header compression agreement ROHC state can be caused to move back, according to
The saltus step thresholding of the critical field filtered out determines continual data package dropout threshold value.
Wherein, resolve the packet received, determine the Profile algorithm types that packet uses, according to really
The Profile algorithm types made determines continual data package dropout threshold value, including: judge whether packet uses
Profile1, if it is, take value minimum in the saltus step thresholding of critical field IPID, TS and SN
The threshold value of field is continual data package dropout threshold value, if it is not, then take the saltus step door of critical field IPID field
Limit value is continual data package dropout threshold value.
Wherein, real-time statistics continual data package dropout number, if the packet loss number counted is less than continual data package dropout threshold value,
Then abandon current data packet, if the packet loss number counted is not less than continual data package dropout threshold value, then skips and work as
Front packet, including: start remaining all messages scanning buffer from queue heads, according to current time
The packet buffer time is obtained with the difference of message time of advent, if the packet buffer time exceedes setting threshold value,
Then the continual data package dropout number of current statistic is added one, if continual data package dropout number is equal to continual data package dropout threshold value,
Then skipping current message, continual data package dropout number resets, if continual data package dropout number is less than continual data package dropout threshold value,
Then abandon current message；If the packet buffer time, then packet loss flow process terminated not less than setting threshold value.
Further, said method also includes: after receiving packet, the time of advent of record packet.
According to another aspect of the present invention, it is provided that a kind of packet loss control device, comprise determining that module,
The packet received for parsing, determines the Profile algorithm types that packet uses, according to determine
Profile algorithm types determines continual data package dropout threshold value；Packet loss control module, for real-time statistics continual data package dropout
Number, if the packet loss number counted is less than continual data package dropout threshold value, then abandons current data packet, if system
The packet loss number counted out is not less than continual data package dropout threshold value, then skip current data packet.
Wherein, above-mentioned determine module for: according to packet use Profile algorithm types, filter out meeting
Cause the critical field that robustness header compression agreement ROHC state is moved back, according to the critical field filtered out
Saltus step thresholding determines continual data package dropout threshold value.
Wherein, above-mentioned determine module for: judge whether packet uses Profile1, if it is, take
Critical field IPID, TS and SN saltus step thresholding in the threshold value of the minimum field of value for lose continuously
Bag threshold value, if it is not, then the saltus step threshold value taking critical field IPID field is continual data package dropout threshold value.
Wherein, above-mentioned packet loss control module is used for: start remaining all reports scanning buffer from queue heads
Literary composition, obtains the packet buffer time, if during packet buffer according to the difference of current time and message time of advent
Between exceed setting threshold value, then the continual data package dropout number of current statistic is added one, if continual data package dropout number is equal to
Continual data package dropout threshold value, then skip current message, and continual data package dropout number resets, if continual data package dropout number is little
In continual data package dropout threshold value, then abandon current message；If the packet buffer time is not less than setting threshold value, then
Packet loss flow process terminates.
Further, said apparatus also includes: logging modle, for after receiving packet, records number
The time of advent according to bag.
The present invention has the beneficial effect that:
The scheme of the embodiment of the present invention, by the Profile algorithm types used according to packet, determines
Profile algorithm types determines continual data package dropout threshold value, it is ensured that in packet loss processes, continual data package dropout number does not surpasses
Cross continual data package dropout threshold value, thus it is excessive and cause ROHC compression ratio to reduce to avoid continual data package dropout number
Problem, it is ensured that the stability of ROHC compression ratio.
Accompanying drawing explanation
Fig. 1 is the flow chart of the packet loss control method that the embodiment of the present invention 1 provides；
Fig. 2 is the flow chart of the packet loss control method that the embodiment of the present invention 2 provides；
Fig. 3 is the structured flowchart of the packet loss control device of the embodiment of the present invention 3.
Detailed description of the invention
In order to solve prior art in the case of continual data package dropout number is relatively big, reduce ROHC compression efficiency
Problem, the invention provides a kind of packet loss control method and device, below in conjunction with accompanying drawing and embodiment, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to solve
Release the present invention, do not limit the present invention.
Fig. 1 is the flow chart of the packet loss control method that the embodiment of the present invention 1 provides, as it is shown in figure 1, the party
Method comprises the steps:
Step 101: resolve the packet received, determine the Profile algorithm types that packet uses, root
Continual data package dropout threshold value is determined according to the Profile algorithm types determined；
Wherein, resolve the packet received, determine the Profile algorithm types that packet uses, according to really
The Profile algorithm types made determines continual data package dropout threshold value, specifically may include that
The Profile algorithm types used according to packet, filters out the pass that ROHC state can be caused to move back
Key field, determines continual data package dropout threshold value according to the saltus step thresholding of the critical field filtered out.
Additionally, resolve the packet received, determine the Profile algorithm types that packet uses, according to really
The Profile algorithm types made determines continual data package dropout thresholding, it is also possible to the following concrete processing mode of employing:
Judge whether packet uses Profile1, if it is, take critical field IPID, TS and SN
Saltus step thresholding in the threshold value of the minimum field of value be continual data package dropout threshold value, if it is not, then take key
The saltus step threshold value of field IPID field is continual data package dropout threshold value.
Step 102: real-time statistics continual data package dropout number, if the packet loss number counted is less than continual data package dropout door
Limit value, then abandon current data packet, if the packet loss number counted is not less than continual data package dropout threshold value, then
Skip current data packet.
Wherein, real-time statistics continual data package dropout number, if the packet loss number counted is less than continual data package dropout threshold value,
Then abandon current data packet, if the packet loss number counted is not less than continual data package dropout threshold value, then skips and work as
Front packet, specifically can be in the following way:
Remaining all messages scanning buffer are started, when arriving according to current time and message from queue heads
Between difference obtain the packet buffer time, if the packet buffer time exceedes setting threshold value, then by current statistic
Continual data package dropout number add one, if continual data package dropout number equal to continual data package dropout threshold value, then skips current report
Literary composition, continual data package dropout number resets, if continual data package dropout number is less than continual data package dropout threshold value, then abandons current
Message；If the packet buffer time, then packet loss flow process terminated, and wherein, message reaches not less than setting threshold value
Time is, after receiving packet, gets during recording time of advent of packet.
Embodiment 2
The embodiment of the present invention is by disclosing more ins and outs, and the packet loss control method providing the present invention is entered
Row explanation.
First each field in IP message is carried out classification of type according to ROHC compress mode, filter out meeting
Cause the critical field that ROHC state is moved back, it is however generally that, in packet header, each territory is permissible according to Changing Pattern
It is divided into five classes:
Can derive territory, the value in these territories can be derived by the other territory in packet header, the length in such as packet header
Territory.This territory never sends in Header compression.
Static fields, these territories will not change during whole stream, such as agreement in lP packet header
Version field, this territory has only to sending once at first.
Static defining territory, these territories are used to define stream attribute, are used for distinguishing stream, such as in packet header
Territory, location, this territory also has only to sending once at first.
Static oneself knows territory, and these territories are commonly known, and the Protocol Version fields in such as RTP packet header is 2,
This territory need not send.
Domain of variation, these territories can change in transmitting procedure, changes in certain scope, or
Person is according to certain rule change.These territories need to take certain compression algorithm.
Although, packet header has number of domains change during stream, but there is number of domains in these territories
Change frequency the lowest or change is random, when they change, as long as they are transmitted again, and
Update and solve the context that pressure side is corresponding.But packet header has 3 territories continuous pests occurrence rule during stream
Property change, they respectively: the IPID territory in IPv4, the SN territory of RTP and the TS territory of RTP.This
Once there is big saltus step in three thresholdings, then ROHC will detect it and there is randomness, can enter state
Row rollback, reduces compression efficiency.Therefore for Profile1 algorithm, the critical field filtered out includes: IPID,
TS and SN, other Profile critical field is IPID, then it needs to be determined that each critical field saltus step door
Limit, it is assumed that IPID saltus step thresholding be Q-IPID, TS saltus step thresholding be Q-TS, SN saltus step thresholding be Q-SN,
Taking three threshold value lower limits is K=min{Q-IPID, Q-TS, Q-SN}, if the saltus step of critical field
Exceeding set threshold value, it is random field that ROHC example can detect the section of altering, and carries out state and moves back, fall
Low ROHC compression efficiency, it is therefore desirable to ensure that PDCP Discard function continual data package dropout number not can exceed that
Threshold value K, i.e. real-time statistics continual data package dropout number Q-NUM, if Q-NUM reaches to abandon thresholding K,
So skip next bag, proceed Discard process.
It should be noted that no matter PDCP Discard packet loss function uses mechanism based on tail drop,
Or being the drop mechanism based on intervalometer or timestamp, continual data package dropout number the most not can exceed that set thresholding
Value K.
Technical scheme and advantage in order to make the present embodiment are clearer, and 2 pairs of embodiments carry below in conjunction with the accompanying drawings
The packet loss control method of confession is described in further detail.Specifically include following steps:
Step 1:PDCP entity receives packet, records it and reaches the time.
Step 2: resolve packet, it is judged that its Profile algorithm types used, determines and abandons threshold value
K。
Step 3: if decision making algorithm is Profile1 in step 2, usage threshold value K=min{Q-IPID,
Q-TS, Q-SN}, then proceed to step 5.
Step 4: if the non-Profile1 of decision making algorithm in step 2, usage threshold value K=Q-IPID, then
Proceed to step 5.
Step 5: start to remain all messages scanning buffer from team's head, arrive according to current time and message
The time of reaching takes difference, if the packet buffer time exceedes set threshold value, proceeds to step 6.If during packet buffer
Between less than set threshold value, then abandon packet stream journey and terminate；
Step 6: add one by continual data package dropout number, if continual data package dropout number is equal to threshold value K, then skips this
Message, continual data package dropout number resets, continues executing with step 5, otherwise performs step 7.
Step 7: continual data package dropout number is less than threshold value K, then abandon this message, continue executing with step 5.
Embodiment 3
The present embodiment provides a kind of packet loss control device, and this device can be arranged at PDCP physically, this dress
Putting to have and realize above-mentioned packet loss control method, Fig. 3 is the structure of the packet loss control device of the embodiment of the present invention 3
Block diagram, as it is shown on figure 3, this device 40 includes following ingredient:
Determine module 41, for resolving the packet received, determine the Profile algorithm that packet uses
Type, the Profile algorithm types according to determining determines continual data package dropout threshold value；
Packet loss control module 42, for real-time statistics continual data package dropout number, if the packet loss number counted is less than
Continual data package dropout threshold value, then abandon current data packet, if the packet loss number counted is not less than continual data package dropout
Threshold value, then skip current data packet.
Wherein, above-mentioned determine that module 41 specifically may be used for: the Profile class of algorithms used according to packet
Type, filters out the critical field that robustness header compression agreement ROHC state can be caused to move back, according to filtering out
The saltus step thresholding of critical field determine continual data package dropout threshold value.
Wherein, above-mentioned determine that module 41 can also be specifically for: judge whether packet uses Profile1,
If it is, take the door of the field that value is minimum in the saltus step thresholding of critical field IPID, TS and SN
Limit value is continual data package dropout threshold value, if it is not, then take the saltus step threshold value of critical field IPID field for even
Continuous packet loss threshold value.
Wherein, above-mentioned packet loss control module 42 specifically may be used for: starts scanning buffer from queue heads
Remaining all messages, obtain the packet buffer time according to the difference of current time and message time of advent, as
Retribution literary composition cache-time exceedes setting threshold value, then add one by the continual data package dropout number of current statistic, if continuously
Packet loss number is equal to continual data package dropout threshold value, then skip current message, and continual data package dropout number resets, if even
Continuous packet loss number less than continual data package dropout threshold value, then abandons current message；If the packet buffer time not less than
Set threshold value, then packet loss flow process terminates.
Further, said apparatus 40 can also include logging modle, and this logging modle is for receiving
After packet, the time of advent of record packet.
The scheme provided according to embodiments of the present invention, it is ensured that in the case of network congestion occurs, PDCP
Packet drop mechanism control continual data package dropout number, thus be not result in the rapid drawdown of ROHC compressor state, effectively
Ensure that ROHC compression efficiency.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will
It is also possible for recognizing various improvement, increasing and replace, therefore, on the scope of the present invention should be not limited to
State embodiment.
Claims (10)
1. a packet loss control method, it is characterised in that including:
Resolve the packet received, determine the Profile algorithm types that described packet uses, according to determining
The Profile algorithm types gone out determines continual data package dropout threshold value；
Real-time statistics continual data package dropout number, if the packet loss number counted is less than described continual data package dropout threshold value,
Then abandon current data packet, if the packet loss number counted is not less than described continual data package dropout threshold value, then jump
Cross current data packet.
2. the method for claim 1, it is characterised in that the packet that described parsing receives,
Determining the Profile algorithm types that described packet uses, the Profile algorithm types according to determining determines
Continual data package dropout threshold value, including:
The Profile algorithm types used according to packet, filters out and can cause robustness header compression agreement
The critical field that ROHC state is moved back, according to the saltus step thresholding of the critical field filtered out determine described continuously
Packet loss threshold value.
3. the method for claim 1, it is characterised in that the packet that described parsing receives,
Determining the Profile algorithm types that described packet uses, the Profile algorithm types according to determining determines
Continual data package dropout threshold value, including:
Judge whether described packet uses Profile1, assess a bid for tender if it is, take critical field internet protocol
Knowing the threshold value of the field that value is minimum in the saltus step thresholding of IPID, event stamp TS and serial number SN is
Described continual data package dropout threshold value, if it is not, then take the jumping of critical field Internet Protocol Identification IPID field
Change threshold value is described continual data package dropout threshold value.
4. the method for claim 1, it is characterised in that described real-time statistics continual data package dropout number,
If the packet loss number counted is less than described continual data package dropout threshold value, then abandon current data packet, if system
The packet loss number counted out is not less than described continual data package dropout threshold value, then skip current data packet, including:
Remaining all messages scanning buffer are started, when arriving according to current time and message from queue heads
Between difference obtain the packet buffer time, if the packet buffer time exceedes setting threshold value, then by current statistic
Continual data package dropout number add one, if continual data package dropout number is equal to described continual data package dropout threshold value, then skips and work as
Front message, continual data package dropout number resets, if continual data package dropout number is less than described continual data package dropout threshold value, then
Abandon current message；
If the packet buffer time, then packet loss flow process terminated not less than described setting threshold value.
5. the method as described in Claims 1 to 4 any one, it is characterised in that described method also includes:
After receiving packet, record the time of advent of described packet.
6. a packet loss control device, it is characterised in that including:
Determine module, for resolving the packet received, determine the Profile algorithm that described packet uses
Type, the Profile algorithm types according to determining determines continual data package dropout threshold value；
Packet loss control module, for real-time statistics continual data package dropout number, if the packet loss number counted is less than institute
State continual data package dropout threshold value, then abandon current data packet, if the packet loss number counted is not less than described company
Continuous packet loss threshold value, then skip current data packet.
7. device as claimed in claim 6, it is characterised in that described determine module for:
The Profile algorithm types used according to packet, filters out and can cause robustness header compression agreement
The critical field that ROHC state is moved back, according to the saltus step thresholding of the critical field filtered out determine described continuously
Packet loss threshold value.
8. device as claimed in claim 6, it is characterised in that described determine module for:
Judge whether described packet uses Profile1, assess a bid for tender if it is, take critical field internet protocol
Knowing the threshold value of the field that value is minimum in the saltus step thresholding of IPID, event stamp TS and serial number SN is
Described continual data package dropout threshold value, if it is not, then take the jumping of critical field Internet Protocol Identification IPID field
Change threshold value is described continual data package dropout threshold value.
9. device as claimed in claim 6, it is characterised in that described packet loss control module is used for:
Remaining all messages scanning buffer are started, when arriving according to current time and message from queue heads
Between difference obtain the packet buffer time, if the packet buffer time exceedes setting threshold value, then by current statistic
Continual data package dropout number add one, if continual data package dropout number is equal to described continual data package dropout threshold value, then skips and work as
Front message, continual data package dropout number resets, if continual data package dropout number is less than described continual data package dropout threshold value, then
Abandon current message；
If the packet buffer time, then packet loss flow process terminated not less than described setting threshold value.
10. the device as described in claim 6～9 any one, it is characterised in that described device also includes:
Logging modle, for after receiving packet, records the time of advent of described packet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119077.5A CN106034088A (en) | 2015-03-18 | 2015-03-18 | Packet loss control method and apparatus thereof |
| PCT/CN2015/085952 WO2016145764A1 (en) | 2015-03-18 | 2015-08-03 | Method and apparatus for packet loss control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119077.5A CN106034088A (en) | 2015-03-18 | 2015-03-18 | Packet loss control method and apparatus thereof |
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| CN106034088A true CN106034088A (en) | 2016-10-19 |
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| CN201510119077.5A Pending CN106034088A (en) | 2015-03-18 | 2015-03-18 | Packet loss control method and apparatus thereof |
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| WO (1) | WO2016145764A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225532A (en) * | 2019-04-25 | 2019-09-10 | 维沃移动通信有限公司 | A kind of data receiver method and terminal device |
| CN110769077A (en) * | 2019-10-14 | 2020-02-07 | 新华三信息安全技术有限公司 | Message processing method, device, network equipment and storage medium |
| CN111884866A (en) * | 2020-08-05 | 2020-11-03 | 中国工商银行股份有限公司 | Network optimization method, network optimization system, computer system, and storage medium |
| CN114338554A (en) * | 2021-12-31 | 2022-04-12 | 锐捷网络股份有限公司 | Stream-based random packet loss method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110636035B (en) * | 2018-06-25 | 2020-11-20 | 大唐移动通信设备有限公司 | Communication method, device and readable storage medium |
| CN110913421B (en) * | 2018-09-18 | 2021-10-29 | 大唐移动通信设备有限公司 | Method and device for determining voice packet number |
| CN109981481B (en) * | 2019-01-16 | 2022-11-11 | 北京左江科技股份有限公司 | Multi-site protection design method |
| CN113650569B (en) * | 2021-07-29 | 2022-10-11 | 广州文远知行科技有限公司 | Vehicle equipment control method and device, vehicle and storage medium |
| CN114866487B (en) * | 2022-03-08 | 2024-03-05 | 国网江苏省电力有限公司南京供电分公司 | Massive power grid dispatching data acquisition and storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8325608B2 (en) * | 2008-08-07 | 2012-12-04 | Qualcomm Incorporated | Efficient packet handling for timer-based discard in a wireless communication system |
| CN101941453B (en) * | 2010-08-27 | 2012-07-11 | 北京交大资产经营有限公司 | Automatic train control method |
| CN102137439B (en) * | 2010-09-17 | 2013-09-11 | 上海华为技术有限公司 | Compression control method, device and system |
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2015
- 2015-03-18 CN CN201510119077.5A patent/CN106034088A/en active Pending
- 2015-08-03 WO PCT/CN2015/085952 patent/WO2016145764A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225532A (en) * | 2019-04-25 | 2019-09-10 | 维沃移动通信有限公司 | A kind of data receiver method and terminal device |
| CN110769077A (en) * | 2019-10-14 | 2020-02-07 | 新华三信息安全技术有限公司 | Message processing method, device, network equipment and storage medium |
| CN111884866A (en) * | 2020-08-05 | 2020-11-03 | 中国工商银行股份有限公司 | Network optimization method, network optimization system, computer system, and storage medium |
| CN114338554A (en) * | 2021-12-31 | 2022-04-12 | 锐捷网络股份有限公司 | Stream-based random packet loss method and device |
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| Publication number | Publication date |
|---|---|
| WO2016145764A1 (en) | 2016-09-22 |
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