CN104144267B - The dispatching method of a kind of VoIP voice packet and device - Google Patents
The dispatching method of a kind of VoIP voice packet and device Download PDFInfo
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Abstract
The invention discloses dispatching method and the device of a kind of VoIP voice packet, determine that VoIP voice packet, when the generation time to the anticipated time interval being successfully received the time exceedes default time threshold, is not dispatched or stops dispatching described VoIP voice packet；Or, determine that VoIP voice packet, when the generation time to the anticipated time interval being successfully received the time is not delivered successfully not less than default time threshold and described VoIP voice packet, is dispatched or continues to dispatch described VoIP voice packet.The present invention is by limiting the time retransmitting VoIP voice packet, thus avoids VoIP new transmission packet and VoIP under subframe binding scene and retransmit raw conflict of contracting for fixed output quotas, and improves system stability.
Description
Technical field
The present invention relates to the voice packet scheduling technology in wireless communication field, particularly relate to a kind of VoIP voice packet
Dispatching method and device.
Background technology
In general, each speech business (Voice over Internet being sent realization by IP packet
Protocol, VoIP) voice packet can complete in a sub-frame of uplink transmission.But under covering limitation scene,
In order to strengthen the covering of up VoIP business, subframe can be used to bundle (Subframe bundling) technology
One VoIP voice packet is completed in four sub-frame of uplink transmission.Subframe bundling is a kind of raising
The method of up-link MPS process, its principle is to send identical in the multiple up Subframe of continuous print
The multiple redundancy versions (Redundancy Version) formed after information bit coding.
In LTE TDD system, have seven kinds of uplink and downlink timeslot ratio proportionings, the most as shown in table 1:
Table 1
In table 1, D represents descending sub frame, and S represents special subframe, and U represents sub-frame of uplink, configuration
(Configuration) 1 time, every 10ms has four sub-frame of uplink.At this point it is possible to use Subframe
One VoIP voice packet is completed transmission in four sub-frame of uplink by bundling technology, and concrete transmission situation is such as
Shown in Fig. 1,1 of the third line in Fig. 1,2 represent uplink synchronous hybrid automatic repeat-request (Hybrid
Automatic Repeat Request, HARQ) process number.Configuration 1 uses subframe to bundle skill
During art, uplink synchronous HARQ has two HARQ processes, the new biography of HARQ and for the first time re-transmission
Time interval (round trip time, RTT) is 20ms.Fig. 1 has four subframes combine bundled:
Subframe bundle A, Subframe bundle B, Subframe bundle C and Subframe bundle D,
Each subframes combine is made up of four sub-frame of uplink, and the most each binding combination can transmit one
VoIP voice packet.
But, as in figure 2 it is shown, it is 20ms that the new transmission packet of VoIP generates interval, i.e. produce one every 20ms
Individual voice packet, and HARQ RTT during Configuration1 employing subframe bundled technology is also 20ms.
1 time HARQ process corresponding for TTI bundling numbering of TDD configuration as shown in Figure 3, if
New transmission packet (voice packet 1) mistake of transmission on Subframe bundle A, corresponding under uplink synchronous HARQ
The re-transmission bag of voice packet 1 will retransmit at Subframe bundle C, and Subframe bundle C institute
Can arrive at moment next one new transmission packet (voice packet 2), therefore the Subframe bundle C moment is in theory
Should new biography voice packet 2, the new biography of the re-transmission of voice packet 1 and voice packet 2 so can be caused at Subframe
The bundle C moment clashes, thus affects system stability.
Summary of the invention
In view of this, present invention is primarily targeted at dispatching method and the dress of a kind of VoIP voice packet is provided
Put, it is possible to avoid VoIP voice packet under subframe binding scene to produce conflict, improve system stability,
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of dispatching method of VoIP voice packet, including:
Determine that VoIP voice packet is successfully received the time interval of time from the generation time exceedes default to anticipated
Time threshold time, do not dispatch or stop dispatching described VoIP voice packet；Or, determine VoIP voice packet
From the generation time, to be successfully received the time interval of time not less than default time threshold and described to anticipated
When VoIP voice packet is not delivered successfully, dispatches or continue to dispatch described VoIP voice packet.
The method specifically includes:
Determine that VoIP new transmission packet is successfully received the time interval of time from the generation time exceedes default to anticipated
Time threshold time, do not dispatch described VoIP new transmission packet；Or determine VoIP new transmission packet from the generation time in advance
When meter is successfully received the time interval of time not less than default time threshold, dispatch described VoIP new biography
Bag；
Or, determine that VoIP retransmits bag from the generation time to estimating that being successfully received the time interval of time exceedes
During the time threshold preset, stop dispatching described VoIP and retransmit bag；Or determine that VoIP retransmits bag in time producing
Between retransmit to the anticipated time interval being successfully received the time not less than default time threshold and described VoIP
When Bao Wei is delivered successfully, continues to dispatch described VoIP and retransmit bag.
The described scheduling VoIP voice packet that stops is:
Send to the user equipment (UE) transmitting described VoIP voice packet and confirm character ACK.
Described default time threshold is 5ms～20ms.
Described default time threshold is 50ms, 60ms or 80ms.
The dispatching device of a kind of VoIP voice packet, comprises determining that module and scheduler module；Wherein,
Described determine module, for determining that VoIP voice packet is successfully received the time from the generation time to anticipated
Whether time interval exceedes default time threshold, and determine VoIP voice packet from the generation time to anticipated
When being successfully received the time interval of time not less than default time threshold, further determine that described VoIP language
Sound bag whether transmission success；
Described scheduler module, for determining that module determines that the VoIP voice packet generation time is successfully connect to anticipated
When time interval between the time receiving exceedes default time threshold, do not dispatch or stop dispatching described VoIP voice
Bag；Or, determine module determine VoIP voice packet from the generation time to anticipated be successfully received the time time
Between be spaced when not being delivered successfully not less than default time threshold and described VoIP voice packet, dispatch or continue
Dispatch described VoIP voice packet.
Described scheduler module, specifically for determine module determine VoIP new transmission packet from the generation time to anticipated quilt
It is properly received the time interval of time when exceeding default time threshold, does not dispatch described VoIP new transmission packet；Or
Determining that module determines that VoIP new transmission packet is successfully received the time interval of time not from the generation time to anticipated
When exceeding default time threshold, dispatch described VoIP new transmission packet；Or, determining that module determines VoIP
Retransmit and wrap when the generation time to the anticipated time interval being successfully received the time exceedes default time threshold,
Stop dispatching described VoIP and retransmit bag；Or determining that module determines that VoIP retransmits bag from the generation time to anticipated
It is successfully received the time interval of time not less than default time threshold, and described VoIP retransmits Bao Wei and become
During merit transmission, continue to dispatch described VoIP and retransmit bag.
Described scheduler module, specifically for sending ACK to the UE of transmission VoIP voice packet, to stop adjusting
Spend described VoIP voice packet.
Described default time threshold is 5ms～20ms.
Described default time threshold is 50ms, 60ms or 80ms.
Described device is arranged on base station.
The dispatching method of VoIP voice packet of the present invention and device, determine VoIP voice packet from the generation time in advance
Meter is successfully received the time interval of time when exceeding default time threshold, does not dispatches or to stop scheduling described
VoIP voice packet；Or, determine VoIP voice packet from the generation time to anticipated be successfully received the time time
Between be spaced when not being delivered successfully not less than default time threshold and described VoIP voice packet, dispatch or continue
Dispatch described VoIP voice packet.The present invention by retransmit VoIP voice packet time limit, thus
Avoid VoIP new transmission packet and VoIP under subframe binding scene and retransmit raw conflict of contracting for fixed output quotas, improve system stability
Property.
Accompanying drawing explanation
Fig. 1 is TTI bundling schematic diagram during TDD configuration 1；
Fig. 2 is that VoIP voice packet arrives schematic diagram；
Fig. 3 is 1 time HARQ process numbering schematic diagram corresponding for TTI bundling of TDD configuration；
Fig. 4 is the dispatching method schematic flow sheet of the embodiment of the present invention a kind of VoIP voice packet；
Fig. 5 is the dispatching device structural representation of the embodiment of the present invention a kind of VoIP voice packet；
Fig. 6 is the VoIP voice packet scheduling schematic flow sheet described in the embodiment of the present invention 1；
Fig. 7 is the VoIP voice packet scheduling schematic flow sheet described in the embodiment of the present invention 2.
Detailed description of the invention
The basic thought of the present invention is: determine that VoIP voice packet is successfully received the time from the generation time to anticipated
Time interval when exceeding default time threshold, do not dispatch or stop dispatching described VoIP voice packet；Or,
Determine that VoIP voice packet is successfully received the time interval of time not less than default from the generation time to anticipated
When time threshold and described VoIP voice packet are not delivered successfully, dispatch or continue to dispatch described VoIP voice
Bag.
The embodiment of the present invention proposes the dispatching method of a kind of VoIP voice packet, as shown in Figure 4, the method bag
Include:
Step 401: determine VoIP voice packet from the generation time to the anticipated time interval being successfully received the time
Whether exceed default time threshold.
Step 402: determine VoIP voice packet from the generation time to the anticipated time interval being successfully received the time
When exceeding default time threshold, do not dispatch or stop dispatching described VoIP voice packet；Or, determine VoIP
Voice packet from the generation time to the anticipated time interval being successfully received the time not less than default time threshold and
When described VoIP voice packet is not delivered successfully, dispatches or continue to dispatch described VoIP voice packet.
If it should be noted that VoIP voice packet transmission success in default time threshold, the most directly adjusted
Spend the VoIP voice packet produced after described VoIP voice packet.
During it should be noted that do not dispatch VoIP voice packet and scheduling VoIP voice packet described in step 402
For VoIP new transmission packet, described stop scheduling VoIP voice and continue scheduling VoIP voice packet time for
For VoIP retransmits bag, concrete:
Determine that VoIP new transmission packet is successfully received the time interval of time from the generation time exceedes default to anticipated
Time threshold time, do not dispatch described VoIP new transmission packet；Or determine VoIP new transmission packet from the generation time in advance
When meter is successfully received the time interval of time not less than default time threshold, dispatch described VoIP new biography
Bag；
Or, determine that VoIP retransmits bag from the generation time to estimating that being successfully received the time interval of time exceedes
During the time threshold preset, stop dispatching described VoIP and retransmit bag；Or determine that VoIP retransmits bag in time producing
Between to the anticipated time interval of time that is successfully received not less than default time threshold, and described VoIP retransmits
When Bao Wei is delivered successfully, continues to dispatch described VoIP and retransmit bag.
Optionally, stopping scheduling VoIP voice packet described in step 402 is: to transmitting described VoIP voice packet
Subscriber equipment (UE) send confirm character (ACK).
Optionally, described default time threshold is 5ms～20ms.Here, be equivalent to not dispatch VoIP language
Sound bag retransmits, and the most each VoIP voice packet for once transmission opportunity, with eNB dispatching uplink VoIP voice
As a example by bag, it is implemented as: eNB receives after the VoIP voice packet (new transmission packet) of UE, no matter follows
Ring check code (CRC) verification is the most successful, and all feeding back ACK is to UE；UE thinks this after receiving ACK
The success of VoIP transmission of voice packets, thus will not occur the re-transmission punching of later new transmission packet and previous voice packet
Prominent situation.
It should be noted that the time threshold preset can also take a less value, as long as can reach not dispatch
VoIP voice packet retransmits, and as a example by TDD Configuration 1, the time threshold preset is less than 20ms
Can realize not dispatching VoIP voice packet to retransmit such that it is able to avoid VoIP new transmission packet and VoIP to retransmit Bao Chong
Prominent problem.
Optionally, described default time threshold is 50ms, 60ms, 80ms or other values.Here,
Be equivalent to when retransmitting bag and new transmission packet is required for scheduling, the preferential scheduling ensureing to retransmit bag.Dispatch with eNB
As a example by up VoIP voice packet, it is implemented as: eNB is to each VoIP voice packet (new transmission packet or re-transmission
Bag) start timing from producing, exceed default time threshold (such as N ms) when also there is no transmission success, just
No longer dispatch this VoIP voice packet, and dispatch this VoIP voice packet produced after VoIP voice packet.Its
In, N can be according to the requirement value to voice quality.Using the program, each VoIP voice packet can have
It is transmitted several times, and less than the voice quality requirement to time delay.
The embodiment of the present invention the most correspondingly proposes the dispatching device of a kind of VoIP voice packet, as it is shown in figure 5,
This device comprises determining that module 51 and scheduler module 52；Wherein,
Determine module 51, for determining that VoIP voice packet is successfully received the time from the generation time to anticipated
Whether time interval exceedes default time threshold, and determine VoIP voice packet from the generation time to anticipated
When being successfully received the time interval of time not less than default time threshold, further determine that described VoIP language
Sound bag whether transmission success；
Scheduler module 52, for determining that module 51 determines that VoIP voice packet produces the time to anticipated by success
When the time interval of reception time exceedes default time threshold, do not dispatch or stop dispatching described VoIP voice
Bag；Or, determining that module 51 determines that VoIP voice packet is successfully received the time from the generation time to anticipated
Time interval when not being delivered successfully not less than default time threshold and described VoIP voice packet, scheduling or
Continue to dispatch described VoIP voice packet.
Optionally, described scheduler module, specifically for determining that module determines that VoIP new transmission packet is from the generation time
To the anticipated time interval being successfully received the time exceed default time threshold time, do not dispatch described VoIP new
Pass bag；Or determine module determine VoIP new transmission packet from the generation time to the anticipated time being successfully received the time
When being spaced not less than default time threshold, dispatch described VoIP new transmission packet；Or, determining that module determines
VoIP retransmits bag from the generation time to estimating that being successfully received the time interval of time exceedes default time threshold
During value, stop dispatching described VoIP and retransmit bag；Or determining that module determines that VoIP retransmits bag from the generation time
To the anticipated time interval of time that is successfully received not less than default time threshold, and described VoIP retransmits bag
When not being delivered successfully, continue to dispatch described VoIP and retransmit bag.
Optionally, scheduler module 52, specifically for sending ACK to the UE of transmission VoIP voice packet, with
Stop dispatching described VoIP voice packet.
Optionally, described default time threshold is 5ms～20ms.
Optionally, described default time threshold is 50ms, 60ms, 80ms or other values.
Optionally, described device is arranged on base station.
It should be noted that in actual application, it is also possible to by controlling the number of times of re-transmission VoIP voice packet to keep away
Exempting from new transmission packet and re-transmission is contracted for fixed output quotas raw conflict, its essence was similar to the time controlling to retransmit VoIP voice packet.
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1
For the scene shown in Fig. 3, the present embodiment describes a kind of VoIP voice packet scheduling method, and Fig. 6 is this
VoIP voice packet scheduling schematic flow sheet described in inventive embodiments 1, as shown in Figure 6, this flow process includes:
Step 601:UE produces voice packet 1.
Step 602:eNB schedule voice bag 1.
Step 603:UE sends the new transmission packet of voice packet 1 to eNB.
After step 604:eNB receives the new transmission packet of voice packet 1, carry out CRC check and find the most successfully to connect
Receiving voice packet 1, meanwhile, eNB determines that voice packet 1 is successfully received the time from the generation time to anticipated its
Time interval exceedes default time threshold 20ms, then eNB no longer schedule voice bag 1.
Step 605:eNB feeding back ACK is to UE.Meanwhile, eNB schedule voice bag 2.
Step 606:UE thinks voice packet 1 transmission success after receiving ACK, will not transmit voice again
Bag 1.
Step 607:UE produces voice packet 2.
Step 608:UE sends voice packet 2 to eNB.
It can be seen that based on above-mentioned flow process, the new biography of the re-transmission and voice packet 2 that do not have voice packet 1 is sent out
Raw collision problem.
Embodiment 2
For the scene shown in Fig. 3, the present embodiment describes a kind of VoIP voice packet scheduling method, and Fig. 7 is this
VoIP voice packet scheduling schematic flow sheet described in inventive embodiments 2, as it is shown in fig. 7, this flow process includes:
Step 701:UE produces voice packet 1.
Step 702:eNB schedule voice bag 1.
Step 703:UE is to eNB transmission voice packet 1:.
After step 704:eNB receives the new transmission packet of voice packet 1, carry out CRC check and find the most successfully to connect
Receiving voice packet 1, meanwhile, eNB determines that voice packet 1 is properly received time to anticipated by it from the generation time
Time interval is not above the time threshold 50ms preset.
Step 705:eNB feedback NACK is to UE, and continues the re-transmission of schedule voice bag 1.
Step 706:UE produces voice packet 2.
Step 707:UE sends the re-transmission bag of voice packet 1.
Step 708:eNB is not the most properly received voice packet 1, meanwhile, eNB determine voice packet 1 from
The generation time exceedes default time threshold 50ms, therefore to its time interval being successfully received the time anticipated
ENB no longer schedule voice bag 1.
Step 709:eNB feeding back ACK is to UE, meanwhile, and eNB schedule voice bag 2.
Step 710:UE thinks voice packet 1 transmission success after receiving ACK, will not transmit voice again
Bag 1.
Step 711:UE starts to send voice packet 2.
It can be seen that based on above-mentioned flow process, the new biography of the re-transmission and voice packet 2 that do not have voice packet 1 is sent out
Raw collision problem.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.
Claims (11)
1. the dispatching method of a VoIP voice packet, it is characterised in that the method includes:
Determine that VoIP voice packet is successfully received the time interval of time from the generation time exceedes default to anticipated
Time threshold time, do not dispatch or stop dispatching described VoIP voice packet；Or, determine VoIP voice packet
From the generation time, to be successfully received the time interval of time not less than default time threshold and described to anticipated
When VoIP voice packet is not delivered successfully, dispatches or continue to dispatch described VoIP voice packet.
Method the most according to claim 1, it is characterised in that the method specifically includes:
Determine that VoIP new transmission packet is successfully received the time interval of time from the generation time exceedes default to anticipated
Time threshold time, do not dispatch described VoIP new transmission packet；Or determine VoIP new transmission packet from the generation time in advance
When meter is successfully received the time interval of time not less than default time threshold, dispatch described VoIP new biography
Bag；
Or, determine that VoIP retransmits bag from the generation time to estimating that being successfully received the time interval of time exceedes
During the time threshold preset, stop dispatching described VoIP and retransmit bag；Or determine that VoIP retransmits bag in time producing
Between retransmit to the anticipated time interval being successfully received the time not less than default time threshold and described VoIP
When Bao Wei is delivered successfully, continues to dispatch described VoIP and retransmit bag.
Method the most according to claim 1 and 2, it is characterised in that described stopping scheduling VoIP language
Sound bag is:
Send to the user equipment (UE) transmitting described VoIP voice packet and confirm character ACK.
Method the most according to claim 1 and 2, it is characterised in that described default time threshold is
5ms～20ms.
Method the most according to claim 1 and 2, it is characterised in that described default time threshold is
50ms, 60ms or 80ms.
6. the dispatching device of a VoIP voice packet, it is characterised in that this device comprise determining that module and
Scheduler module；Wherein,
Described determine module, for determining that VoIP voice packet is successfully received the time from the generation time to anticipated
Whether time interval exceedes default time threshold, and determine VoIP voice packet from the generation time to anticipated
When being successfully received the time interval of time not less than default time threshold, further determine that described VoIP language
Sound bag whether transmission success；
Described scheduler module, for determining that module determines that the VoIP voice packet generation time is successfully connect to anticipated
When time interval between the time receiving exceedes default time threshold, do not dispatch or stop dispatching described VoIP voice
Bag；Or, determine module determine VoIP voice packet from the generation time to anticipated be successfully received the time time
Between be spaced when not being delivered successfully not less than default time threshold and described VoIP voice packet, dispatch or continue
Dispatch described VoIP voice packet.
Dispatching device the most according to claim 6, it is characterised in that
Described scheduler module, specifically for determine module determine VoIP new transmission packet from the generation time to anticipated quilt
It is properly received the time interval of time when exceeding default time threshold, does not dispatch described VoIP new transmission packet；Or
Determining that module determines that VoIP new transmission packet is successfully received the time interval of time not from the generation time to anticipated
When exceeding default time threshold, dispatch described VoIP new transmission packet；Or, determining that module determines VoIP
Retransmit and wrap when the generation time to the anticipated time interval being successfully received the time exceedes default time threshold,
Stop dispatching described VoIP and retransmit bag；Or determining that module determines that VoIP retransmits bag from the generation time to anticipated
It is successfully received the time interval of time not less than default time threshold, and described VoIP retransmits Bao Wei and become
During merit transmission, continue to dispatch described VoIP and retransmit bag.
8. according to the dispatching device described in claim 6 or 7, it is characterised in that
Described scheduler module, specifically for sending ACK to the UE of transmission VoIP voice packet, to stop adjusting
Spend described VoIP voice packet.
9. according to the dispatching device described in claim 6 or 7, it is characterised in that described default time threshold
Value is 5ms～20ms.
10. according to the dispatching device described in claim 6 or 7, it is characterised in that the described default time
Threshold value is 50ms, 60ms or 80ms.
11. according to the dispatching device described in claim 6 or 7, it is characterised in that described device is arranged at
On base station.
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| CN109302750A (en) * | 2017-07-24 | 2019-02-01 | 中国移动通信集团广东有限公司 | Method of adjustment, device, equipment and the storage medium of adaptive convergence scheduling feature |
| CN112491990B (en) * | 2020-11-17 | 2021-08-10 | 中科三清科技有限公司 | Hybrid cloud network data transmission method and device, electronic equipment and storage medium |
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