CN109462857A - Loss treating method, device, wireless net member and computer readable storage medium - Google Patents
Loss treating method, device, wireless net member and computer readable storage medium Download PDFInfo
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- CN109462857A CN109462857A CN201710797842.8A CN201710797842A CN109462857A CN 109462857 A CN109462857 A CN 109462857A CN 201710797842 A CN201710797842 A CN 201710797842A CN 109462857 A CN109462857 A CN 109462857A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
Abstract
Loss treating method, device, wireless net member and computer readable storage medium provided in an embodiment of the present invention, the first wireless net member detect the data packet received according to default detected rule；If testing result is data-bag lost, feeds back and lose information to the second wireless net member for sending data packet, the data packet lost information and be used to indicate loss.The data-bag lost of the embodiment of the present invention is detected and is retransmitted and completes between wireless net member, for being carried out packet loss detection by terminal compared to the prior art, retransmitted between wireless net member and terminal, have the advantages that 1) service delay reduction, transmission rate improves；2) for voice service, speech quality and voice MOS value can be influenced to avoid the heavy congestion of transmission link between wireless net member and terminal；3) NACK message is sent without terminal to go to introduce re-transmission, terminal is carried out eating dishes without rice or wine to retransmit without wireless net member, avoid occupying transmission bandwidth and consume interface-free resources.
Description
Technical field
The present invention relates to electronic technology field more particularly to loss treating method, device, wireless net members and computer-readable
Storage medium.
Background technique
It is network transmission number thereupon as the fast development of wireless network, deployment and user group quickly grow
According to the rising at full speed of flow, very big pressure is generated to existing net operation.
The rapid increase of data traffic, it is higher and higher to the transmission bandwidth requirement between wireless net member, moreover, operator is past
Toward being one transmission network of deployment, all existing net operating facilities are supported, transmission bandwidth is often all devices between wireless net member
It is shared, not only there is the wireless network of single device single standard, the more equipment multiple types of single manufacturer to need to share transfer resource, also
Shared transmission resource needs between multi-vendor, or even there are also the bandwidth sharing demand of other non-wireless device, it is in addition current
The characteristics of 3G, 4G, 5G equipment high bandwidth, high mobility, flow, peak value change with stream of people's feature.
Traditional transmission jamming control method is to detect packet loss quantity by terminal, if packet loss quantity is more than certain thresholding,
Wireless net member is notified to start congestion control mechanism by transmission node by terminal again.There are many drawbacks for this mode, such as:
1) service delay is too big, and transmission rate is low.By taking data service as an example, after terminal detects packet loss, sent out by terminal
NACK (Negative ACKnowledgment, negative acknowledge) data packet is sent to be retransmitted to corresponding wireless net member, caused by
Service delay is generally in 60ms or so, along with terrestrial transmission RTT (Round Trip Time, round-trip delay) time delay generally exists
The time delay of 2ms or so, 3G are generally in 60ms or so, and therefore, time delay is too big, and transmission rate is low.
2) for voice service, data packet is retransmitted by eating dishes without rice or wine to issue terminal, air interface transmission link itself is easy to appear
Congestion, in addition the data packet of re-transmission, congestion is more serious, be easy to cause data-bag lost, if data packet is lost on transmission link
It loses, seriously affects speech quality, voice MOS value (Mean Opinion Score be averaged opinion value) is low.
3) sending NACK data packet by terminal notifies wireless net member to start congestion control mechanism, to the number of the same loss
According to packet, terminal may send multiple NACK message, wireless net member can also retransmit accordingly repeatedly increase invalid transmission bandwidth and
Interface-free resources consumption.
Summary of the invention
Loss treating method, device, wireless net member and computer readable storage medium provided in an embodiment of the present invention, mainly
The technical issues of solution, is that conventional transmission jamming control method service delay is too big, is easy to influence speech quality, and increases nothing
The transmission bandwidth and interface-free resources of effect consume.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of loss treating method, comprising: the first wireless net member
The data packet received is detected according to default detected rule；If testing result is data-bag lost, loss letter is fed back
It ceases to the second wireless net member for sending data packet, the loss information is for triggering second wireless net member to the data of loss
Packet is retransmitted.
The embodiment of the present invention also provides a kind of packet loss processing unit, and the packet loss processing unit includes: detection processing module,
For being detected according to default detected rule to the data packet received；Feedback module, for the detection processing module
When testing result is data-bag lost, feedback loses information to the wireless net member for sending data packet, and the loss information is for touching
Sending out wireless net member described retransmits the data packet of loss.
The embodiment of the present invention also provides a kind of wireless net member, and the wireless net member includes processor and memory；The place
Reason device is for executing one or more program stored in the memory, to realize packet loss processing described in any of the above embodiments
The step of method；The memory and the processor couple.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
One or more program, one or more of programs can be executed by one or more processor, to realize above-mentioned
The step of loss treating method described in one.
The beneficial effects of the present invention are:
Loss treating method, device, wireless net member and the computer readable storage medium provided according to embodiments of the present invention,
Data-bag lost detection and re-transmission are completed in wireless RAN (Residential Access Network, resident access net) side.
By taking downlink as an example, data packet from the wireless side RAN by air interface transmission to terminal, in the wireless side RAN, data packet is from the second nothing
Gauze member is transferred to the first wireless net member, and the present invention is by the first wireless net member according to default detected rule to the data packet received
Detected, if testing result be data-bag lost, feed back lose information to send data packet the second wireless net member, it is described
Information is lost to retransmit the data packet of loss for triggering second wireless net member, it is right after the second wireless net member receives
The data packet for losing loss indicated by information is retransmitted.Data-bag lost detection is carried out, second by the first wireless net member
Retransmitted between wireless net member and the first wireless net member, detected compared to the prior art by terminal, wireless net member with
For being retransmitted between terminal, have the advantages that
1) the first wireless net member carries out data-bag lost detection, and carries out retransmitting introducing after detecting data-bag lost
Service delay sends NACK data packet to corresponding nothing compared to by terminal progress packet loss detection, by terminal generally in 5ms or so
Gauze member retransmit and causes that 55ms or so can be reduced for 60ms time delay.Therefore time delay reduces, and transmission rate improves.
2) for voice service, occur between wireless net member due to retransmitting, can to avoid wireless net member and terminal it
Between the heavy congestion of transmission link influence speech quality and voice MOS value.
3) occur between wireless net member due to retransmitting, send NACK message without terminal and go to introduce re-transmission, without wireless
Network element carries out eating dishes without rice or wine to retransmit to terminal, avoids occupying transmission bandwidth and consumes interface-free resources.
In addition, the testing result of the first wireless net member is after data-bag lost, maintenance current bandwidth occupancy is constant, i.e., not
Bandwidth is discharged, is retransmitted immediately.For the scene that multi-standard, more producers, more equipment are transmitted altogether, each manufacturer, each standard, each equipment
It is different to transmit congestion control starting strategy, control paces, control target, if discharging bandwidth after detecting data-bag lost
If, the transmission bandwidth released can be seized by other equipment, and the bandwidth for causing oneself to occupy is more and more narrow, and data packet is lost
Lose increasingly severe, and whole control is hard to work, and data packet number excessively exceeds processing capacity or stream on transmission network
Amount receives buffering beyond each node of intermediate conveyor or sends buffer capacity, and the data packet of high priority is be easy to cause equally to present
High Loss Rate and long time delay out, impact high-priority service, such as working hour does not get through phone.Therefore, of the invention
After detecting data-bag lost, bandwidth is not discharged, bandwidth under the scene that can be transmitted altogether to avoid multi-standard, more producers, more equipment
It is preempted.
Other features of the invention and corresponding beneficial effect are described in the aft section of specification, and should be managed
Solution, at least partly beneficial effect is apparent from from the record in description of the invention.
Detailed description of the invention
Fig. 1 is the loss treating method flow chart of the embodiment of the present invention one；
Fig. 2 is the loss treating method flow chart of the embodiment of the present invention two；
Fig. 3 is the loss treating method flow chart of the embodiment of the present invention three；
Fig. 4 is the loss treating method flow chart of the embodiment of the present invention four；
Fig. 5 is the packet loss processing unit schematic diagram of the embodiment of the present invention five；
Fig. 6 is the schematic diagram of the wireless net member of the embodiment of the present invention six.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below by specific embodiment knot
Attached drawing is closed to be described in further detail the embodiment of the present invention.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
Embodiment one
In order to solve, conventional transmission jamming control method service delay is too big, is easy to influence speech quality, and increase nothing
The problems such as transmission bandwidth and interface-free resources consumption of effect, is mainly used in wireless the present embodiment provides a kind of loss treating method
Network element mainly includes referring to Figure 1 following below scheme:
S101, the first wireless net member detect the data packet received according to default detected rule, obtain detection knot
Fruit, whether testing result is data-bag lost, if so, entering step S102, continues to examine if it is not, then returning to step S101
It surveys.
Different detected rules, testing result may be different, therefore, when the testing result of this step is data-bag lost,
It does not represent and data-bag lost actually really occurs, only detected according to this detected rule, by certain one kind detection knot
Fruit is same to be considered as data-bag lost.There are many kinds of detected rules, and two of them detected rule is exemplified below:
It sends sequence number first, first wireless net member obtains the data packet received, and detects and get twice in succession
Whether sending sequence number for data packet be continuous；If discontinuous, testing result is data-bag lost, if continuously, testing result is
Data packet is not lost.
It sends sequence number second, first wireless net member obtains the data packet received, and detects and get twice in succession
Whether sending sequence number for data packet be continuous；If discontinuous, whether received in the first wireless net member detection preset duration scarce
Lose the data packet to send sequence number；If not receiving the data packet that missing sends sequence number in preset duration, testing result is data packet
It loses, if having received the data packet that missing sends sequence number in preset duration, shows that data packet is not lost, unrest only occur
Sequence, testing result is that data packet is not lost in this case.For example out-of-order data packet is had received in preset duration, obtain its hair
Serial number is sent, sends sequence number and is compared with missing, if consistent, shows that the out-of-order data packet received is just missing from transmission
The data packet of serial number, testing result is that data packet is not lost in this case, random ordering only occurs.
Both the above detected rule, testing result is different, and the obvious accuracy of second of detected rule is higher, at the first
Occur in discontinuous situation in detected rule, further detects whether receive the data that missing sends sequence number in preset duration
Packet improves the accuracy of packet loss detection come discontinuous caused by excluding because of random ordering.
In second of detected rule, can detect missing whether is received in preset duration by embodiment in detail below
The data packet to send sequence number: starting preset timer；If the data that missing sends sequence number are not received before the timer expiry
Packet, then testing result is data-bag lost, if having received the data packet that missing sends sequence number before the timer expiry, is examined
Surveying result is that data packet is not lost.
Before starting preset timer, it may also include the step of timer is set in the following manner:
According to the RTT time delay (Round-Trip Time, round-trip delay) of data packet, the waiting time of the timer is set.
S102, feedback lose information to the second wireless net member for sending data packet, and the loss information is described for triggering
Second wireless net member retransmits the data packet of loss.
After testing result is data-bag lost, the second wireless net member that notice sends data packet is retransmitted, and therefore, is needed
Feed back and lose information to the second wireless net member, lose information be used to trigger second wireless net member to the data packet of loss into
Row retransmits.Which data packet according to lose that information could be aware that loss after second wireless net member receives, to the data packet into
Row retransmits, and hence it is also possible to include:
Step S103, the first wireless net member then receives the second wireless net member according to the data packet for losing information re-transmission.
Loss treating method provided in an embodiment of the present invention carries out data-bag lost detection, the by the first wireless net member
It is retransmitted, is detected compared to the prior art by terminal, in wireless net member between two wireless net members and the first wireless net member
For being retransmitted between terminal, 1) service delay reduction is had the advantages that, transmission rate improves；2) to voice
For business, speech quality and voice MOS value can be influenced to avoid the heavy congestion of transmission link between wireless net member and terminal；
3) NACK message is sent without terminal to go to introduce re-transmission, terminal is carried out eating dishes without rice or wine to retransmit without wireless net member, avoid occupying and transmit
Bandwidth and consumption interface-free resources.
In addition, the testing result of step S101 detection is after data-bag lost, it is preferred that the first wireless net member, the second nothing
Gauze member maintains current bandwidth occupancy constant, i.e., does not discharge bandwidth, and the first wireless net member is fed back immediately loses information to second
Wireless net member is to start retransmission mechanism.For the scene that multi-standard, more producers, more equipment are transmitted altogether, can be robbed to avoid bandwidth
It accounts for, the bandwidth for avoiding oneself from occupying is more and more narrow, and data-bag lost is increasingly severe.
Embodiment two
By taking 3G network as an example, cooperation is completed by controller and the wireless net member division of labor of base station two in the wireless side RAN of 3G network,
On downlink, data packet is transmitted from controller to base station, then from base station to terminal transmission, in order to solve 3G network using tradition
It transmits that jamming control method service delay is too big, is easy to influence speech quality, and increases invalid transmission bandwidth and eat dishes without rice or wine to provide
The problems such as source consumes, the present embodiment provides following loss treating methods, refer to Fig. 2, mainly include following below scheme:
Frame number is arranged to FP (Frame Protocol) frame of data business data packet in S201, controller, as transmission
Serial number: 0 to 255 frame numbers.
The FP frame data packet for carrying FP frame number is issued base station by S202, controller.
Timer is arranged according to the RTT time delay of IUB interface (logic interfacing between controller and base station) in S203, base station
Waiting time T.
Whether the frame number for the FP frame data packet that S204, base station detection receive is continuous, and specifically, base station acquisition receives
The frame number of FP frame data packet, and whether the frame number for detecting the data packet got twice in succession is continuous；If discontinuous, enter
Step S205, if continuously, returning to S204 and continuing to test.
S205, if there is discontinuous, maintain current bandwidth occupancy constant, base station starts timer.
The waiting time T overtime data packet for whether receiving missing frame number before of S206, base station detection timer, if not
It receives, then testing result is data-bag lost, S207 is entered step, if having received before the waiting time T time-out of timer scarce
The data packet for losing frame number then shows that only random ordering, data packet do not lose, return to S204 and continue to test.
S207, base station send NACK data packet to controller, and NACK data packet, which carries, loses information, lose information for touching
Hair controller retransmits the data packet of loss；
Which data packet according to lose that information could be aware that loss after S208, controller receive, to the data packet into
Row retransmits.
S209, base station receive controller according to the data packet for losing information re-transmission.
The embodiment of the present invention is directed to 3G network, and using frame number the sending sequence number as data packet of FP frame, base station passes through
Whether the frame number for detecting the FP frame of the data packet received is continuous, to determine whether packet loss, carries out data-bag lost by base station
Detection is retransmitted between base station and controller, and service delay reduces, and transmission rate improves；NACK report is sent without terminal
Text goes to introduce and retransmit, and carries out eating dishes without rice or wine to retransmit to terminal without wireless net member, avoids occupying transmission bandwidth and consumes interface-free resources.Inspection
Result is surveyed as after data-bag lost, base station and controller maintain current bandwidth occupancy constant, i.e., does not discharge bandwidth, starts immediately
It retransmits, for the scene that multi-standard, more producers, more equipment are transmitted altogether, can be preempted to avoid bandwidth, the band for avoiding oneself from occupying
Width is more and more narrow, and data-bag lost is increasingly severe.
Embodiment three
RLC (Radio Link Control, radio link layer control protocol) SN can also be used for data service
(Sequence Number, serial number) sending sequence number as data packet, by taking 3G network as an example, in order to solve 3G network using biography
System transmission jamming control method service delay is too big, is easy to influence speech quality, and increases invalid transmission bandwidth and eat dishes without rice or wine
The problems such as resource consumption, the present embodiment provides another loss treating methods, refer to Fig. 3, mainly include following below scheme:
S301, controller send data service data packet to base station, which carries RLC SN.
Timer is arranged according to the RTT time delay of IUB interface (logic interfacing between controller and base station) in S302, base station
Waiting time T.
Whether the RLC SN for the data packet that S303, base station detection receive is continuous, and specifically, base station obtains the data received
The RLC SN of packet, and whether the RLC SN for detecting the data packet got twice in succession is continuous；If discontinuous, enter step
S304, if continuously, returning to S303 and continuing to test.
S304, base station maintain current bandwidth occupancy constant, send NACK data packet to controller, NACK data packet carries
Information is lost, information is lost and the data packet of loss is retransmitted for trigger controller；
Which data packet according to lose that information could be aware that loss after S305, controller receive, to the data packet into
Row retransmits.
S306, base station receive controller according to the data packet for losing information re-transmission.
The embodiment of the present invention is directed to the data service of 3G network, using RLC SN sending sequence number as data packet, base station
It is whether continuous by detecting the RLC SN of data packet received, it, certainly, can be with before S304 to determine whether packet loss
Timer is set, the data packet that missing sends sequence number whether is received before detecting the waiting time time-out of timer, to exclude unrest
The case where sequence, improves packet loss detection accuracy, avoids starting re-transmission in the case where non-packet loss.Service delay of the embodiment of the present invention subtracts
Small, transmission rate improves；NACK message is sent without terminal to go to introduce re-transmission, and weight of eating dishes without rice or wine is carried out to terminal without wireless net member
It passes, avoid occupying transmission bandwidth and consumes interface-free resources.Testing result is after data-bag lost, base station and controller remains current
Bandwidth usage is constant, i.e., does not discharge bandwidth, and starting retransmits immediately, the field transmitted altogether for multi-standard, more producers, more equipment
Scape can be preempted to avoid bandwidth, and the bandwidth for avoiding oneself from occupying is more and more narrow, and data-bag lost is increasingly severe.
Example IV
By taking 5G network as an example, the wireless side RAN of 5G network is divided by function as four big functional modules, including CPF
(Control-Plane Processing Function controls plane treatment function), UPF (User-Plane
Processing Function, user plane handles function) and BPF (Baseband Processing Function, base band
Processing function), RPF (Radio Processing Function, radio processing function), in order to solve CPF on downlink
Data-bag lost between BPF, UPF and BPF, the present embodiment provides following loss treating methods, refer to Fig. 4, main to wrap
Include following below scheme:
S401, CPF (or UPF) send data packet to BPF, which carries PDCP (Packet Data
Convergence Protocol, Packet Data Convergence Protocol) test serial number.
The waiting time T of timer is arranged according to RTT time delay by S402, BPF.
Whether the PDCP test serial number for the data packet that S403, BPF detection receive is continuous, and specifically, BPF acquisition receives
The PDCP test serial number of data packet, and whether the PDCP test serial number for detecting the data packet got twice in succession is continuous；If no
Continuously, S404 is entered step, if continuously, returning to S403 and continuing to test.
S404, if there is discontinuous, maintain current bandwidth occupancy constant, BPF starts timer.
Whether the data of missing PDCP test serial number are received before the waiting time T time-out of S405, BPF detection timer
Packet, if not receiving, testing result is data-bag lost, enters step S406, if receiving before the waiting time T time-out of timer
The data packet for having arrived missing PDCP test serial number then shows that only random ordering, data packet do not lose, return to S403 and continue to test.
S406, BPF send NACK data packet and give CPF (or UPF), and NACK data packet, which carries, loses information, lose information and use
The data packet of loss is retransmitted in triggering CPF (or UPF)；
It is which data packet according to lose that information could be aware that loss, to the data after S407, CPF (or UPF) are received
Packet is retransmitted.
S408, BPF receive CPF (or UPF) according to the data packet for losing information re-transmission.
The embodiment of the present invention is directed to 5G network, and using PDCP test serial number sending sequence number as data packet, BPF passes through inspection
Whether the PDCP test serial number for surveying the data packet received is continuous, to determine whether packet loss, carries out data-bag lost inspection by BPF
It surveys, retransmitted between BPF and CPF (or UPF), service delay reduces, and transmission rate improves；NACK report is sent without terminal
Text goes to introduce and retransmit, and carries out eating dishes without rice or wine to retransmit to terminal without wireless net member, avoids occupying transmission bandwidth and consumes interface-free resources.Inspection
Result is surveyed as after data-bag lost, base station and controller maintain current bandwidth occupancy constant, i.e., does not discharge bandwidth, starts immediately
It retransmits, for the scene that multi-standard, more producers, more equipment are transmitted altogether, can be preempted to avoid bandwidth, the band for avoiding oneself from occupying
Width is more and more narrow, and data-bag lost is increasingly severe.
Embodiment five
In order to solve, conventional transmission jamming control method service delay is too big, is easy to influence speech quality, and increase nothing
The problems such as transmission bandwidth and interface-free resources consumption of effect, the present embodiment provides a kind of packet loss processing units, are mainly used in first
Wireless net member, refers to Fig. 5, and packet loss processing unit includes:
Detection processing module 51, for being detected according to default detected rule to the data packet received；
Feedback module 52, when the testing result for the detection processing module is data-bag lost, feedback loses information
To the second wireless net member for sending data packet, the data packet progress lost information and be used to trigger the second wireless net member to loss
It retransmits.
In some embodiments, detection processing module 51 may further include (not shown):
First acquisition submodule, for obtaining sending sequence number for the data packet received；
First detection sub-module, it is whether continuous for detecting sending sequence number for the data packet got twice in succession；If no
Continuously, then testing result is data-bag lost.
In further embodiments, detection processing module 51 may further include (not shown):
Second acquisition submodule, for obtaining sending sequence number for the data packet received；
Second detection sub-module, it is whether continuous for detecting sending sequence number for the data packet got twice in succession；
Third detection sub-module detects in preset duration after the testing result for the second detection sub-module is discontinuous
Whether data packet that missing send sequence number is received；If not receiving the data packet that missing sends sequence number, testing result is data packet
It loses.Specifically, third detection sub-module can star preset timer；If missing hair is not received before the timer expiry
The data packet of serial number is sent, then testing result is data-bag lost.
In some embodiments, packet loss processing unit can further include (not shown):
The waiting time of the timer is arranged for the round-trip delay according to data packet for setup module.
In some embodiments, packet loss processing unit can further include (not shown):
Receiving module, for receiving the second wireless net member according to the data packet for losing information re-transmission.
Packet loss processing unit provided in an embodiment of the present invention, is mainly used in the first wireless net member, is responsible for carrying out data packet
Loss detection notifies that the second wireless net member is retransmitted, is detected compared to the prior art by terminal, in wireless net member and end
For being retransmitted between end, 1) service delay reduction is had the advantages that, transmission rate improves；2) to voice service
For, speech quality and voice MOS value can be influenced to avoid the heavy congestion of transmission link between wireless net member and terminal；3) nothing
It needs terminal to send NACK message to go to introduce re-transmission, terminal is carried out eating dishes without rice or wine to retransmit without wireless net member, avoids occupying transmission bandwidth
With consumption interface-free resources.
In addition, testing result is after data-bag lost, it is preferred that maintain current bandwidth occupancy constant, i.e., do not discharge band
Width, feedback loses information to the second wireless net member to start retransmission mechanism immediately.Multi-standard, more producers, more equipment are passed altogether
Defeated scene can be preempted to avoid bandwidth, and the bandwidth for avoiding oneself from occupying is more and more narrow, and data-bag lost is increasingly severe.
Embodiment six
In order to solve, conventional transmission jamming control method service delay is too big, is easy to influence speech quality, and increase nothing
The problems such as transmission bandwidth and interface-free resources consumption of effect, the present embodiment provides a kind of wireless net members, refer to Fig. 6, wireless net member
Including processor 61 and memory 62；Processor 61 is for executing one or more program stored in memory 62, with reality
The step of showing the loss treating method in the embodiment of the present invention.
Specifically, processor 61 for executing one or more program stored in memory 62, is walked so that realization is following
It is rapid: the data packet received being detected according to default detected rule；If testing result is data-bag lost, loss is fed back
Information is to another wireless net member for sending data packet, and the loss information is for triggering the second wireless net member to the data packet of loss
It is retransmitted.
Different detected rules, testing result may be different, therefore, when testing result is data-bag lost, do not represent reality
Really occur data-bag lost on border, only detected according to this detected rule, certain a kind of testing result is considered as together
Data-bag lost.There are many kinds of detected rules, and two of them detected rule is exemplified below:
First, obtaining sending sequence number for the data packet received, and detect the transmission of the data packet got twice in succession
Whether serial number is continuous；If discontinuous, testing result is data-bag lost, if continuously, testing result is that data packet is not lost.
Second, obtaining sending sequence number for the data packet received, and detect the transmission of the data packet got twice in succession
Whether serial number is continuous；If discontinuous, detect the data packet that missing sends sequence number whether is received in preset duration；If preset duration
Do not receive the data packet that missing sends sequence number inside, then testing result is data-bag lost, if having received missing hair in preset duration
Send the data packet of serial number, then show that data packet is not lost, random ordering only occur, in this case testing result be data packet not
It loses.For example out-of-order data packet is had received in preset duration, it obtains it and sends sequence number, send sequence number and be compared with missing,
If consistent, show that the out-of-order data packet received is just missing from the data packet to send sequence number, in this case detection knot
Fruit is that data packet is not lost, random ordering only occurs.
Both the above detected rule, testing result is different, and the obvious accuracy of second of detected rule is higher, at the first
Occur in discontinuous situation in detected rule, further detects whether receive the data that missing sends sequence number in preset duration
Packet improves the accuracy of packet loss detection come discontinuous caused by excluding because of random ordering.
In second of detected rule, can detect missing whether is received in preset duration by embodiment in detail below
The data packet to send sequence number: starting preset timer；If the data that missing sends sequence number are not received before the timer expiry
Packet, then testing result is data-bag lost, if having received the data packet that missing sends sequence number before the timer expiry, is examined
Surveying result is that data packet is not lost.
Before starting preset timer, it may also include the step of timer is set in the following manner:
According to the RTT time delay (Round-Trip Time, round-trip delay) of data packet, the waiting time of the timer is set.
Processor 61 can also be used to execute one or more program stored in memory 62, to perform the steps of
Opposite end wireless net member is received according to the data packet for losing information re-transmission.
Wireless net member provided in an embodiment of the present invention, to carry out data-bag lost detection, notice opposite end wireless net member into
Row retransmits, and for being detected by terminal, being retransmitted compared to the prior art between wireless net member and terminal, has following
The utility model has the advantages that 1) service delay reduces, transmission rate is improved；It 2), can be to avoid wireless net member and terminal for voice service
Between the heavy congestion of transmission link influence speech quality and voice MOS value；3) NACK message is sent without terminal to go to introduce weight
It passes, terminal is carried out eating dishes without rice or wine to retransmit without wireless net member, avoid occupying transmission bandwidth and consume interface-free resources.
In addition, processor 61 can also be used to execute one or more program stored in memory 62, it is following to realize
Step: it if testing result is data-bag lost, maintains current bandwidth occupancy constant, i.e., does not discharge bandwidth, feedback is lost immediately
Information is to opposite end wireless net member to start retransmission mechanism.For the scene that multi-standard, more producers, more equipment are transmitted altogether, can keep away
Exempt from bandwidth to be preempted, the bandwidth for avoiding oneself from occupying is more and more narrow, and data-bag lost is increasingly severe.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
One or more program, one or more of programs can be executed by one or more processor, to realize the present invention
The step of loss treating method described in embodiment.
Obviously, those skilled in the art should be understood that each module of the embodiments of the present invention or each step can be used
General computing device realizes that they can be concentrated on a single computing device, or be distributed in multiple computing device institutes
On the network of composition, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by them
It is stored in computer storage medium (ROM/RAM, magnetic disk, CD) and is performed by computing device, and in some cases, it can
With the steps shown or described are performed in an order that is different from the one herein, or they are fabricated to each integrated circuit dies
Block, or single integrated circuit module is maked multiple modules or steps in them to realize.So the present invention does not limit
It is combined in any specific hardware and software.
The above content is combining specific embodiment to be further described to made by the embodiment of the present invention, cannot recognize
Fixed specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention
Protection scope.
Claims (10)
1. a kind of loss treating method, which is characterized in that the loss treating method includes:
First wireless net member detects the data packet received according to default detected rule；
If testing result is data-bag lost, feeds back and lose information to the second wireless net member for sending data packet, the loss
Information retransmits the data packet of loss for triggering second wireless net member.
2. loss treating method as described in claim 1, which is characterized in that first wireless net member is according to default detection rule
Then carrying out detection to the data packet received includes:
First wireless net member obtains sending sequence number for the data packet received, and detects the hair of the data packet got twice in succession
Send serial number whether continuous；
If discontinuous, testing result is data-bag lost.
3. loss treating method as described in claim 1, which is characterized in that first wireless net member is according to default detection rule
Then carrying out detection to the data packet received includes:
First wireless net member obtains sending sequence number for the data packet received, and detects the hair of the data packet got twice in succession
Send serial number whether continuous；
If discontinuous, the data packet that missing sends sequence number whether is received in the first wireless net member detection preset duration；
If not receiving the data packet that missing sends sequence number, testing result is data-bag lost.
4. loss treating method as claimed in claim 3, which is characterized in that in the first wireless net member detection preset duration
Whether receiving the data packet that missing sends sequence number includes:
First wireless net member starts preset timer；
Whether data packet that missing send sequence number is received before detecting the timer expiry.
5. loss treating method as claimed in claim 4, which is characterized in that further include:
The waiting time of the timer is set according to the round-trip delay of data packet.
6. loss treating method as described in claim 1, which is characterized in that if testing result is data-bag lost, further includes:
Maintain current bandwidth occupancy constant.
7. such as loss treating method as claimed in any one of claims 1 to 6, which is characterized in that further include:
Second wireless net member is received according to the data packet for losing information re-transmission.
8. a kind of packet loss processing unit, which is characterized in that the packet loss processing unit includes:
Detection processing module, for being detected according to default detected rule to the data packet received；
Feedback module, when the testing result for the detection processing module is data-bag lost, feedback loses information to transmission
The wireless net member of data packet, the loss information retransmit the data packet of loss for triggering the wireless net member.
9. a kind of wireless net member, which is characterized in that the wireless net member includes processor and memory；
The processor is for executing one or more program stored in the memory, to realize such as claim 1 to 7
Any one of described in loss treating method the step of；
The memory and the processor couple.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be executed by one or more processor, to realize such as claim 1 to 7
Any one of described in loss treating method the step of.
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