CN106714318A - Bandwidth allocation method and base station - Google Patents
Bandwidth allocation method and base station Download PDFInfo
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- CN106714318A CN106714318A CN201510772268.1A CN201510772268A CN106714318A CN 106714318 A CN106714318 A CN 106714318A CN 201510772268 A CN201510772268 A CN 201510772268A CN 106714318 A CN106714318 A CN 106714318A
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- bandwidth
- video
- base station
- user
- request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Abstract
The embodiment of the invention discloses a bandwidth allocation method and a base station. The method comprises the steps that: the base station receives a high-definition video request uploaded by a user; the base station set the user as a high priority user; the base station dynamically adjusts bandwidth allocation according to the real-time bandwidth use of all service users, and allocates a bandwidth which satisfies the high-definition video request for the user. According to the bandwidth allocation method and the base station provided by the embodiment of the invention, the video definition in transmitting a high-definition video in a mobile communication scene is ensured.
Description
Technical field
The present embodiments relate to mobile communication technology field, more particularly to bandwidth allocation methods and base station.
Background technology
Trunked communication system is a kind of command dispatching system, and colony dispatching is widely used in private network, particularly
Video dispatching, the voice at scene will can be not only heard as command scheduling center, it can be seen that what scene occurred
Video, so as to it is faster, more accurately make decision, therefore video dispatching is widely used in cluster private network.
Application of the video dispatching in cluster private network includes：Video individual calling, video group are exhaled, video broadcasting, regard
Frequency monitoring, video forwarding, video passback etc., in traffic police industry, more using video monitoring,
Camera such as is installed in the important location of highway, and passes the video of camera back command centre in real time, with
Just command centre follows up traffic in real time, and when having major traffic accidents, command centre personnel can
Delivered onto large-size screen monitors with by video, according to the situation at scene, solution is discussed together.
In camera by wireless access way, due to the limited bandwidth of Radio Resource, often in video monitoring
Video resolution when setting up only meets definition on computers, and after upper large-size screen monitors, video image will go out
Now obscure, and the operation of upper large-size screen monitors is the Signalling exchange between video platform and camera, the wireless money of base station
Source scheduling cannot obtain the information of large-size screen monitors, and causing the bandwidth of large-size screen monitors cannot obtain reliable guarantee, it is impossible to protect
The definition of large-size screen monitors video on card.
The content of the invention
For above-mentioned technical problem, a kind of bandwidth allocation methods and base station are the embodiment of the invention provides, to protect
Video definition during HD video is transmitted in card mobile communication scene.
In a first aspect, the embodiment of the invention provides a kind of bandwidth allocation methods, methods described includes：
Base station is received user and is asked by the HD video that video monitoring platform is uploaded；
The user is set to high-priority users by the base station；
The base station is according to the real-time bandwidth service condition of all service users, dynamic adjusting bandwidth distribution
User's distribution meets the bandwidth of the HD video request.
Second aspect, the embodiment of the present invention additionally provides a kind of base station, and the base station includes：
Request receiving module, is asked for receiving user by the HD video that video monitoring platform is uploaded；
Priority setup module, for the user to be set into high-priority users；
Bandwidth allocation module, for the real-time bandwidth service condition according to all service users, dynamic adjustment band
Width distribution, is that user's distribution meets the bandwidth that the HD video is asked.
Bandwidth allocation methods provided in an embodiment of the present invention and base station, it is flat by video monitoring by receiving user
The HD video request that platform is uploaded, high-priority users are set to by the user, and according to all users
Real-time bandwidth service condition, dynamic adjusting bandwidth distribution is that user distribution meets the HD video
The bandwidth of request, so that video definition when HD video is transmitted in ensureing mobile communication scene.
Brief description of the drawings
The detailed description made to non-limiting example made with reference to the following drawings by reading, the present invention
Other features, objects and advantages will become more apparent upon：
Fig. 1 is the flow chart of the bandwidth allocation methods that first embodiment of the invention is provided；
Fig. 2 is the flow chart of the bandwidth allocation methods that second embodiment of the invention is provided；
Fig. 3 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that third embodiment of the invention is provided；
Fig. 4 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that fourth embodiment of the invention is provided；
Fig. 5 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that fifth embodiment of the invention is provided；
Fig. 6 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that sixth embodiment of the invention is provided；
Fig. 7 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that seventh embodiment of the invention is provided；
Fig. 8 is the flow chart of Bandwidth adjustment in the bandwidth allocation methods that eighth embodiment of the invention is provided；
Fig. 9 is the flow chart of the bandwidth allocation methods that ninth embodiment of the invention is provided；
Figure 10 is the structure chart of the base station that tenth embodiment of the invention is provided.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The described specific embodiment in place is used only for explaining the present invention, rather than limitation of the invention.Also need in addition
It is noted that for the ease of description, accompanying drawing illustrate only part rather than entire infrastructure related to the present invention.
First embodiment
Present embodiments provide a kind of technical scheme of bandwidth allocation methods.In the technical scheme, the band
Bandwidth allocation method is performed by the base station in GSM.Typically, the base station can be LTE or
The node B (Evolved node B, eNB) of the evolution in lte-a system.
Referring to Fig. 1, the bandwidth allocation methods include：
S11, base station is received user and is asked by the HD video that video monitoring platform is uploaded.
The video monitoring platform is set up on network, is exclusively used in the network equipment of monitor video transmission.
There is available network connection between this network equipment and base station, and can by above-mentioned network connection to
The base station transmission HD video request.
The HD video request is that user is uploaded by the video monitoring platform to the base station, is used for
The request message of request HD video transmission.So-called HD video, refers to that the definition of video at least needs to reach
To the standard of ultra high-definition (Ultra high definition, UHD).
The user is set to high-priority users by S12, the base station.
Receive after the HD video request, the base station will upload the user of the HD video request
Priority parameters be set to highest ranking, that is, the user is set to high-priority users.
Assuming that priority parameters have 5 grades, and the value of priority parameters represents user's when being 0
Highest priority, its value represents that the priority of user is minimum when being 4, then set the video monitoring platform
Being set to high-priority users means for the priority parameters of the video monitoring platform to be set to 0.
S13, the base station is according to the real-time bandwidth service condition of all service users, dynamic adjusting bandwidth point
Match somebody with somebody, be that user's distribution meets the bandwidth that the HD video is asked.
Asked HD video is received, and the user is provided with according to the HD video request for receiving
Priority parameters after, the base station by the real-time bandwidth service condition of all service users of monitor in real time,
And bandwidth allocation is dynamically adjusted using request according to the real-time bandwidth for monitoring.So-called dynamic adjustment band
Width distribution can seize the occupied bandwidth of low priority user, reduce the occupied bandwidth of other HD videos request
It is the lower limit of distribution bandwidth, or to the occupied bandwidth reduced overall of every other user.
The present embodiment is asked by receiving user by the HD video that video monitoring platform is uploaded, by the use
Family is set to high-priority users, and according to the real-time bandwidth service condition of all service users, dynamic is adjusted
Whole bandwidth allocation, is that user's distribution meets the bandwidth that the HD video is asked, it is ensured that mobile communication
Video definition during HD video is transmitted in scene.
Second embodiment
The present embodiment is further there is provided the another of bandwidth allocation methods based on the above embodiment of the present invention
A kind of technical scheme.In the technical scheme, the base station uses according to the real-time bandwidth of all service users
Situation, dynamic adjusting bandwidth distribution includes：When idle bandwidth can not meet HD video asks, the base
The bandwidth of low priority user is seized at station, thinks that user's distribution meets the bandwidth of the HD video request；
When the bandwidth for seizing low priority user can not meet the transmission demand of HD video, the base station will except work as
The occupied bandwidth of other HD videos request outside the preceding HD video request is reduced to minimum retainer belt
It is wide；And work as the bandwidth for seizing low priority user, and will be in addition to presently described HD video is asked
After the occupied bandwidth of other HD videos request is reduced to minimum holding bandwidth, can not still meet the high definition and regard
During the bandwidth of frequency request, the base station is by the occupied bandwidth entirety of the other users in addition to the video monitoring platform
Compression.
Referring to Fig. 2, the bandwidth allocation methods include：
S21, base station is received user and is asked by the HD video that video monitoring platform is uploaded.
The video monitoring platform is set to high-priority users by S22, the base station.
S23, when idle bandwidth can not meet HD video asks, low priority user is seized in the base station
Bandwidth, think that user distribution meets the bandwidth of the HD video request.
After the HD video request that the video monitoring platform is uploaded is received, the base station needs to check
The idle bandwidth of itself.Specifically, the idle bandwidth refers to without occupied bandwidth resources.For example,
The outlet bandwidth of the base station is 50MB/s, and other business have occupied 23.4MB/s, then idle band
Width is 26.6MB/s.
The capacity of the idle bandwidth cannot often meet the transmission requirement of HD video.It is therefore desirable to
Other business are adjusted, to meet the transmission requirement of HD video.First-selected, it is not high to priority
The occupied bandwidth of business seized.Such as, priority threshold value can be set, all priority is less than
The bandwidth occupied by service of the priority threshold value is redistributed, and the band of low priority user is seized to reach
Purpose wide.
S24, it is described when the bandwidth for seizing low priority user can not meet the transmission demand of HD video
Be reduced to for the occupied bandwidth that other HD videos in addition to presently described HD video is asked are asked by base station
Minimum keeps bandwidth.
The minimum holding bandwidth is a kind of parameter of base station itself.Minimum keeps bandwidth value in itself smaller,
Ensure that a transmission of video is communicated to connect effective, be unlikely to so that the communication connection disconnects.Meanwhile,
This communication connection will not also take the excessive bandwidth resources in the base station.That is, the minimum holding
Bandwidth is the lower limit that a video connection keeps unimpeded transmission.
If the bandwidth summation of the current all low priority users in the base station can not meet HD video
Transmission demand, that is, the bandwidth asked less than the HD video, then needing please from other HD videos
It is current HD video request distribution bandwidth in the bandwidth for seeking occupancy.Reason for doing so is that high definition is regarded
Frequency asks shared bandwidth numerical value general all than larger, is easier to obtain more bandwidth resources.Specifically
, the bandwidth that other HD videos are asked is restored to minimum holding bandwidth.
Specifically, can according to other HD videos ask setup time order, successively by they
Occupied bandwidth is restored to minimum holding bandwidth, so as to obtain the band of the HD video request for needing to distribute to newly-increased
It is wide.
S25, when the bandwidth for seizing low priority user, and will be in addition to presently described HD video is asked
The request of other HD videos occupied bandwidth be reduced to it is minimum keep bandwidth after, can not still meet the high definition
During the bandwidth of video request, the base station is whole by the occupied bandwidth of the other users in addition to the video monitoring platform
Body compresses.
If by except when the occupied bandwidth of the other HD videos request outside preceding HD video is asked
All it is reduced to after minimum holding bandwidth, the bandwidth of newly-increased HD video request still can not be obtained
Meet, then the occupied bandwidth of all users beyond current just newly-increased HD video request is integrally pressed in base station
Contracting.
Specifically, reduced overall refers to that the occupied bandwidth of other users is gradually halved, until current high definition
The bandwidth of video request can be satisfied.Such as, after the occupied bandwidth of other users have passed through and halve for three times,
The bandwidth of current HD video request is satisfied, then current HD video asks corresponding HD video to exist
During transmission, it is the 1/8 of original occupied bandwidth that the occupied bandwidth of other users is.
The present embodiment reduces the band of other HD videos request by seizing the occupied bandwidth of low priority user
It is a width of it is minimum keep bandwidth, and reduced overall is carried out to the occupied bandwidth of other business so that newly-increased height
The bandwidth demand of clear video request can be satisfied, it is ensured that the smooth transmission of HD video.
3rd embodiment
The present embodiment based on the above embodiment of the present invention, further there is provided the bandwidth allocation methods
A kind of technical scheme of middle Bandwidth adjustment.In the technical scheme, when idle bandwidth can not meet HD video
During request, the bandwidth of low priority user is seized in the base station, thinks that the video monitoring platform distribution meets
The bandwidth of the HD video request includes：The base station obtains the bandwidth breach of the HD video request；
Low priority user is seized in the base station according to the bandwidth breach according to priority order from low to high
Bandwidth, until the bandwidth breach is satisfied.
Referring to Fig. 3, when idle bandwidth can not meet HD video asks, low priority is seized in the base station
The bandwidth of user, thinks that video monitoring platform distribution meets the bandwidth of the HD video request and includes：
S31, the base station obtains the bandwidth breach of the HD video request.
The bandwidth breach refers to the difference between bandwidth and idle bandwidth required for the HD video request
Value.Such as, the bandwidth that the HD video request needs is 60MB/s, and idle bandwidth only has 24MB/s,
Then the numerical value of idle bandwidth is 36MB/s.
S32, the base station is seized low excellent according to the bandwidth breach according to priority order from low to high
The bandwidth of first level user, until the bandwidth breach is satisfied.
When seizing the bandwidth of low priority user, using it is a kind of seize step by step by the way of.I.e. first by priority level
Minimum business starts, and the occupied bandwidth to the business is seized.If seized to the level traffic
Afterwards, the bandwidth is bitter is not satisfied, then seized in the bandwidth to one-level business higher, directly
It is satisfied to the bandwidth breach.
In bandwidth preemption processes, the bandwidth to i-th user's distribution can be by being given as follows：
BwRqi=BwCoi-BwLoi
Wherein, BwRqiIt is to i-th bandwidth of user's distribution, BwCoiIt is in bandwidth allocation as described before i-th
The bandwidth of individual CU, BwLoiIt is that i-th user needs the bandwidth conceded in bandwidth allocation.
The bandwidth that i-th user need to concede can be by being given as follows：
BwLoi=BwGap-BwLoj
Wherein, BwGap is the bandwidth breach, BwLojIt is that there is more low priority compared to i-th user
The pressure of j-th user sell bandwidth.
Selling bandwidth compared to the pressure of j-th user of i-th user with more low priority can be by such as
It is given below：
BwLoj=BwCoj-BwMinj
Wherein, BwCojIt is occupied bandwidth of j-th user before bandwidth allocation, BwMinjIt is described
J-th the minimum of user keeps bandwidth.
The present embodiment is by obtaining bandwidth breach, and is carried out to low excellent according to priority order from low to high
The bandwidth of first level user is seized so that the transmission of HD video can be carried in the case of idle bandwidth deficiency,
Ensure that the definition of transmitted HD video.
Fourth embodiment
The present embodiment based on the above embodiment of the present invention, further there is provided the bandwidth allocation methods
A kind of technical scheme of middle Bandwidth adjustment.
Referring to Fig. 4, the base station dynamically adjusts band according to the real-time bandwidth service condition of all service users
Width distribution includes：
Whether S41, the base station judges idle bandwidth resource less than bandwidth breach, if so, S43 is performed,
If it is not, performing S42.
Specifically, completing above-mentioned judgement according to equation below：
BwIdle<BwGap
Wherein, BwIdle is the idle bandwidth resource, and BwGap is the bandwidth breach.
S42, the base station is the HD video request distribution bandwidth from the idle bandwidth resource.
Force low priority user UE in S43, the base stationiConcede the bandwidth of occupancy.
S44, the base station judges original idle bandwidth resource and UEiWhether the bandwidth sum conceded fails full
The foot bandwidth breach, if so, S45 is performed, if it is not, performing S46.
S45, the base station is by UEiOccupied bandwidth reduction it is minimum keep bandwidth, and perform S47.
Specifically, the base station is UE according to equation belowiRedistribute bandwidth：
BwRqi=BwCoi-BwMin
Wherein, BwRqiIt is UE to beiThe bandwidth of distribution, BwCoiIt is UE before redistributing bandwidthiOccupancy
Bandwidth, BwMin is the minimum holding bandwidth.
S46, the base station is by UEiThe occupied bandwidth bandwidth seized of reduction, and complete Bandwidth adjustment.
Specifically, being UE according to equation belowiRedistribute bandwidth：
BwRqi=BwCoi-BwLoi
Wherein, BwRqiIt is UE to beiThe bandwidth redistributed, BwCoiIt is UE before redistributing bandwidthi's
Occupied bandwidth, BwLoiIt is UEiSell bandwidth.
S47, the base station judges UEiWhether it is last low priority user, if it is not, to next
Low priority user carries out bandwidth and seizes.
Specifically, adding one by the value of the label i of user, the operation of S41 to S46 is performed again, until
The user is last low priority user.
The present embodiment is by seizing the bandwidth of low priority user so that bandwidth breach is met, Neng Gouwei
The HD video request transmission HD video.
5th embodiment
The present embodiment based on the above embodiment of the present invention, further there is provided the bandwidth allocation methods
Another technical scheme of middle Bandwidth adjustment.In the technical scheme, the base station will be except presently described high definition
The occupied bandwidth of other HD videos request outside video request is reduced to minimum holding bandwidth to be included：It is described
Base station is obtained when the bandwidth breach of HD video request；The base station connects according to the request of other HD videos
The time sequencing of receipts changes the occupied bandwidth of other HD videos request one by one, until presently described HD video
The bandwidth breach of request is satisfied, or the request of other HD videos occupied bandwidth be reduced to it is described most
Small holding bandwidth.
Referring to Fig. 5, other HD videos in addition to presently described HD video is asked are asked in the base station
Occupied bandwidth be reduced to minimum keep the bandwidth to include：
S51, the base station is obtained when the bandwidth breach of HD video request.
It is identical with third embodiment of the invention, before bandwidth reduction is carried out, it is also desirable to obtain the height first
The bandwidth breach of clear video request.
Other high definitions are changed one by one according to the time sequencing that the request of other HD videos is received in S52, the base station
The occupied bandwidth of video request, until the bandwidth breach of presently described HD video request is satisfied, Huo Zheqi
The occupied bandwidth of his HD video request is reduced to the minimum holding bandwidth.
Because the bandwidth resources that the transmission of HD video is typically constituted from are more, therefore please by other HD videos
The source redistributed as bandwidth is asked, is relatively easy to meet the bandwidth that newly-increased HD video is asked.
Specifically, the reception time asked according to other HD videos, to the occupancy of other HD videos request
Bandwidth is modified one by one.After the occupied bandwidth modification of other HD videos, described other HD videos
The numerical value of occupied bandwidth be described minimum to keep bandwidth.
If the occupied bandwidth of the HD video request during described other HD videos are asked changes it
Afterwards, the bandwidth breach has been satisfied, then the occupancy of other HD videos request that need not again to after
Bandwidth is modified.
The present embodiment is by obtaining bandwidth breach, and the occupied bandwidth for changing the request of other HD videos one by one
Bandwidth is kept to minimum so that the transmission of HD video can be carried in the case of idle bandwidth deficiency, is protected
The definition of the HD video for being transmitted is demonstrate,proved.
Sixth embodiment
The present embodiment further provides band in bandwidth allocation methods based on the above embodiment of the present invention
A kind of technical scheme of width adjustment.
Referring to Fig. 6, the base station dynamically adjusts band according to the real-time bandwidth service condition of all service users
Width distribution includes：
S61, the base station estimation HD video user UEiThe bandwidth that can be conceded.
In general, the bandwidth resources of HD video CU are more.Therefore, if HD video user
UEiHigh definition pattern is exited, is transmitted using the relatively low pattern of other resolution ratio, then can asked for other
Concede corresponding bandwidth.
In user UEi, it is necessary to estimate the numerical value for exiting the bandwidth that operation can be conceded before exiting high definition pattern.
The bandwidth value of conceding that this estimation is obtained is referred to as selling bandwidth.
S62, the base station judges user UEiOccupied bandwidth whether be less than bandwidth breach, if so, perform
S63, if it is not, performing S64.
S63, the base station is by user UEiThe occupied bandwidth minimum holding bandwidth of reduction, and perform S65.
Specifically, the base station according to equation below by user UEiOccupied bandwidth reduction：
BwRqi=BwCoi-BwMin
Wherein, BwRqiIt is to carry out the HD video user UE after Bandwidth adjustmentiOccupied bandwidth, BwCoi
It is to carry out Bandwidth adjustment as described before user UEiOccupied bandwidth, BwMin is the minimum holding bandwidth.
S64, the base station is by user UEiOccupied bandwidth reduction sell bandwidth.
Specifically, the base station according to equation below by user UEiOccupied bandwidth reduction：
BwRqi=BwCoi-BwGri
Wherein, BwRqiIt is to carry out the HD video user UE after Bandwidth adjustmentiOccupied bandwidth, BwCoi
It is to carry out Bandwidth adjustment as described before user UEiOccupied bandwidth, BwGriIt is user UEiSell bandwidth.
S65, the base station judges user UEiWhether it is last HD video user, if it is not, reduction
The occupied bandwidth of next HD video user.
Specifically, adding one by the value of the label i of user, the operation of S61 to S64 is performed again, until
User is last feelings video user high.
The present embodiment keeps bandwidth by changing the occupied bandwidth that other HD videos are asked for minimum so that band
Breach wide is met, and can be the HD video request transmission HD video.
7th embodiment
The present embodiment based on the above embodiment of the present invention, further there is provided the bandwidth allocation side
The yet another technique scheme of Bandwidth adjustment in method.In the technical scheme, the base station will supervise except the video
The occupied bandwidth reduced overall of the outer other users of control platform includes：The base station obtains the HD video request
Bandwidth breach；Order of the base station according to priority from low to high one by one will be except the video monitoring platform
The occupied bandwidth of outer other users halves, until the bandwidth breach is satisfied, or the other users
Occupied bandwidth is reduced to heartbeat bandwidth.
Referring to Fig. 7, the occupied bandwidth of the other users in addition to the video monitoring platform is integrally pressed in the base station
Contracting includes：
S71, the base station obtains the bandwidth breach of the HD video request.
The bandwidth breach is to carry out the important references parameter that bandwidth is redistributed, therefore, to other users
Occupied bandwidth carry out reduced overall before, it is necessary to obtain the bandwidth breach of HD video request.
S72, order of the base station according to priority from low to high one by one will be in addition to the video monitoring platform
The occupied bandwidth of other users halves, until the bandwidth breach is satisfied, or the other users are accounted for
Heartbeat bandwidth is reduced to bandwidth.
Seized with bandwidth it is identical, when bandwidth reduced overall is carried out, be also according to each business priority level
Not, bandwidth reduction is carried out successively from low to high.First compression is carried out to a business for priority-level, is had
Body is the half that the occupied bandwidth of all business of the priority is revised as original occupied bandwidth.It is excellent to one
The occupied bandwidth of first level business is carried out after first compression, if the bandwidth breach is not satisfied,
Business to the other priority of upper level of the priority is compressed.To the occupancy band of the business of all priority
After width is compressed, if the bandwidth breach is still without being satisfied, from the industry of lowest priority
Business proceeds by bandwidth reduction again.
If after a bandwidth reduction is carried out to a business for priority, the bandwidth breach by
Meet, then stop bandwidth squeeze operation.
In addition, if the occupied bandwidth of other users is reduced to heartbeat bandwidth, and the bandwidth breach is still
It is not satisfied, it is same to stop bandwidth squeeze operation, while refusing the HD video request.
If the occupied bandwidth of a link is adjusted to heartbeat bandwidth, the data communication of the connection is only limitted to
The transmission of heartbeat packet, no longer transmission payload data.That is, under heartbeat bandwidth, only maintaining one and leading to
It is effective that letter is connected, and no longer performs the payload data for belonging to the connection.It is appreciated that connection is adjusted
To heartbeat bandwidth, its occupied bandwidth will be greatly reduced.
The present embodiment obtains bandwidth breach, and occupied bandwidth halving step by step according to priority so that in sky
The transmission of HD video can be carried in the case of not busy bandwidth deficiency, it is ensured that the HD video for being transmitted it is clear
Clear degree.
8th embodiment
The present embodiment further provides band in bandwidth allocation methods based on the above embodiment of the present invention
A kind of technical scheme of width adjustment.
Referring to Fig. 8, the base station dynamically adjusts band according to the real-time bandwidth service condition of all service users
Width distribution includes：
Estimate the bandwidth conceded of other users in S81, the base station.
Whether S82, the base station judges the bandwidth that can concede less than bandwidth breach, if so, execution S83,
If it is not, performing S84.
S83, the base station is by other users UEiOccupied bandwidth reduce by half.
Specifically, the base station according to equation below to user UEiOccupied bandwidth reduced by half：
BwRqi=max (BwHB, BwCoi/2k)
Wherein, BwRqiRepresent user UE after adjustmentiOccupied bandwidth, BwCoiRepresent user UE before adjustmenti
Occupied bandwidth, k represented to user UEiThe number of times of Bandwidth adjustment is carried out, BwHB represents heartbeat bandwidth.
S84, the base station is by other users UEiOccupied bandwidth reduction predetermined value, and terminate bandwidth tune
It has suffered journey.
Specifically, the base station according to equation below to user UEiOccupied bandwidth reduction predetermined value：
BwRqi=BwCoi-BwGri
Wherein, BwRqiRepresent user UE after adjustmentiOccupied bandwidth, BwCoiRepresent user UE before adjustmenti
Occupied bandwidth, BwGriRepresent user UEiSell bandwidth.
S85, the base station judges the other users UEiWhether last in the other users,
If so, perform S86, if it is not, add one by the sequence number i of other users, and jump to S81 and continue executing with.
S86, the base station judges whether the occupied bandwidth respectively less than heartbeat bandwidth of every other user, if so,
Terminate the bandwidth adjustment process, if it is not, adding one by compression number of times k, and jump to S81 and continue executing with.
The present embodiment is unified by the occupied bandwidth to other business in addition to current HD video request
Adjust to minimum and keep below bandwidth, realize the reduced overall to other bandwidth occupied by service so that bandwidth
Breach is met, and can be the HD video request transmission HD video.
9th embodiment
The present embodiment provides the bandwidth allocation methods based on the above embodiment of the present invention, further
Yet another technique scheme.In the technical scheme, the bandwidth allocation methods also include：Work as HD video
When request stop condition is set up, the base station stops meeting institute for the user is distributed by video monitoring platform
State the bandwidth of HD video request.
Referring to Fig. 9, the bandwidth allocation methods include：
S91, base station is received user and is asked by the HD video that video monitoring platform is uploaded.
The user is set to high-priority users by S92, the base station.
S93, the base station is according to the real-time bandwidth service condition of all service users, dynamic adjusting bandwidth point
Match somebody with somebody, be that user's distribution meets the bandwidth that the HD video is asked.
S94, when HD video request stop condition is set up, the base station stops as user distribution is full
The bandwidth of the foot HD video request.
HD video request stop condition can be：Get the stopping that the video monitoring platform sends
The instruction of HD video transmission.That is, indicating to stop when the video monitoring platform sends clearly instruction
When the transmission of HD video, the base station stops being user's distribution bandwidth.
The HD video request stop condition can also be：According to default timer, continuous regular length
Time period in do not receive the newly-increased HD video request of the video monitoring platform.
In addition, the HD video request stop condition can also be：The system bandwidth of the base station can not expire
The bandwidth that sufficient user is asked by the HD video that the video monitoring platform is uploaded.
The present embodiment asks stop condition by setting HD video so that redistributing for bandwidth is operated in institute
State when HD video request stop condition is set up and stop, it is to avoid unnecessary bandwidth allocation behavior.
Tenth embodiment
Present embodiments providing can be according to the technical scheme of the base station of HD video request adjustment bandwidth allocation.
In the technical scheme, the base station includes：
The HD video request receiving module 101 is used to receive the height that user is uploaded by video monitoring platform
Clear video request.
The priority setup module 102 is used to for the user to be set to high-priority users.
The bandwidth allocation module 103 is used for the real-time bandwidth service condition according to all service users, dynamic
Adjustment bandwidth allocation, is that user's distribution meets the bandwidth that the HD video is asked.
Preferably, the bandwidth allocation module 103 specifically for：When idle bandwidth can not meet HD video
During request, the bandwidth of low priority user is seized, think that user's distribution meets the HD video request
Bandwidth.
Preferably, the bandwidth of low priority user is seized, thinks that user's distribution meets the HD video
The bandwidth of request includes：Obtain the bandwidth breach of the HD video request；According to the bandwidth breach, press
The bandwidth of low priority user is seized according to priority order from low to high, until the bandwidth breach is satisfied.
Preferably, the bandwidth allocation module 103 also particularly useful for：When the bandwidth for seizing low priority user
When can not meet the transmission demand of HD video, other high definitions in addition to being asked except presently described HD video
The occupied bandwidth of video request is reduced to minimum holding bandwidth.
Preferably, the occupied bandwidth of other HD videos request in addition to being asked except presently described HD video
Being reduced to minimum holding bandwidth includes：Obtain when the bandwidth breach of HD video request；It is high according to other
The time sequencing that clear video request is received changes the occupied bandwidth of other HD videos request one by one, until currently
The bandwidth breach of the HD video request is satisfied, or the occupied bandwidth quilt that other HD videos are asked
It is restored to the minimum holding bandwidth.
Preferably, the bandwidth allocation module 103 also particularly useful for：When the bandwidth for seizing low priority user,
And the occupied bandwidth of other HD videos request in addition to being asked except presently described HD video is reduced to
After minimum keeps bandwidth, when can not still meet the bandwidth of the HD video request, will be except the video monitoring
The occupied bandwidth reduced overall of the outer other users of platform.
Preferably, the occupied bandwidth reduced overall of the other users in addition to the video monitoring platform is included：Obtain
Take the bandwidth breach of the HD video request；To be regarded except described in one by one according to priority order from low to high
The occupied bandwidth of the outer other users of frequency monitor supervision platform halves, until the bandwidth breach is satisfied, or it is described
The occupied bandwidth of other users is reduced to heartbeat bandwidth.
Preferably, the base station also includes：Distribution stopping modular 104.
The distribution stopping modular 104 is used to, when HD video request stop condition is set up, stop as described
User's distribution meets the bandwidth of the HD video request.
Preferably, the HD video transmission stop condition includes：The base station gets the user and passes through
The instruction for stopping HD video transmission that the video monitoring platform sends；Or according to default timer,
The HD video request that the user increases newly is not received in the time period of continuous regular length；Or the base
The system bandwidth stood can not meet the bandwidth of the HD video request that the video monitoring platform is uploaded.
Will be appreciated by those skilled in the art that above-mentioned of the invention each module or each step can use logical
With computing device realize that they can be concentrated on single computing device, or be distributed in multiple calculating
On the network that device is constituted, alternatively, the program code that they can be can perform with computer installation is come real
It is existing, such that it is able to be stored in being performed by computing device in storage device, or they are made respectively
Each integrated circuit modules is made, or the multiple modules or step in them are fabricated to single integrated circuit
Module is realized.So, the present invention is not restricted to the combination of any specific hardware and software.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed
All be the difference with other embodiment, the same or analogous part between each embodiment mutually referring to
.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for this area skill
For art personnel, the present invention can have various changes and change.All institutes within spirit and principles of the present invention
Any modification, equivalent substitution and improvements of work etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of bandwidth allocation methods, it is characterised in that methods described includes：
Base station is received user and is asked by the HD video that video monitoring platform is uploaded；
The user is set to high-priority users by the base station；
The base station is according to the real-time bandwidth service condition of all service users, dynamic adjusting bandwidth distribution
User's distribution meets the bandwidth of the HD video request.
2. method according to claim 1, it is characterised in that used according to all services the base station
The real-time bandwidth service condition at family, dynamic adjusting bandwidth distribution includes：
When idle bandwidth can not meet HD video asks, the bandwidth of low priority user is seized in the base station,
Think that user's distribution meets the bandwidth of the HD video request.
3. method according to claim 2, it is characterised in that low priority use is seized in the base station
The bandwidth at family, thinks that user distribution meets the bandwidth of the HD video request and includes：
The base station obtains the bandwidth breach of the HD video request；
The base station is seized low priority and is used according to the bandwidth breach, according to priority order from low to high
The bandwidth at family, until the bandwidth breach is satisfied.
4. method according to claim 3, it is characterised in that used according to all services the base station
The real-time bandwidth service condition at family, dynamic adjusting bandwidth distribution includes：
When the bandwidth for seizing low priority user can not meet the transmission demand of HD video, the base station will
The occupied bandwidth of other HD videos request in addition to presently described HD video is asked is reduced to minimum guarantor
Hold bandwidth.
5. method according to claim 4, it is characterised in that the base station will be except presently described height
The occupied bandwidth of other HD videos request outside clear video request is reduced to minimum holding bandwidth to be included：
The base station is obtained when the bandwidth breach of HD video request；
Other HD videos are changed one by one according to the time sequencing that the request of other HD videos is received in the base station
The occupied bandwidth of request, until the bandwidth breach of presently described HD video request is satisfied, or other are high
The occupied bandwidth of clear video request is reduced to the minimum holding bandwidth.
6. method according to claim 5, it is characterised in that used according to all services the base station
The real-time bandwidth service condition at family, dynamic adjusting bandwidth distribution includes：
When the bandwidth for seizing low priority user, and will except presently described HD video ask in addition to other
After the occupied bandwidth of HD video request is reduced to minimum holding bandwidth, can not still meet the HD video please
During the bandwidth asked, the base station is by the occupied bandwidth reduced overall of the other users in addition to the video monitoring platform.
7. method according to claim 6, it is characterised in that the base station will supervise except the video
The occupied bandwidth reduced overall of the outer other users of control platform includes：
The base station obtains the bandwidth breach of the HD video request；
The base station according to priority order from low to high one by one will in addition to the video monitoring platform other
The occupied bandwidth of user halves, until the bandwidth breach is satisfied, or the other users occupancy band
Width is reduced to heartbeat bandwidth.
8. method according to claim 1, it is characterised in that also include：
When HD video request stop condition is set up, the base station stops meeting described for user distribution
The bandwidth of HD video request.
9. method according to claim 8, it is characterised in that the HD video transmission stops bar
Part includes：
The base station is got the user and is passed by the stopping HD video that the video monitoring platform sends
Defeated instruction；Or
According to default timer, the height that the user increases newly is not received in the time period of continuous regular length
Clear video request；Or
The system bandwidth of the base station can not meet the HD video request that the video monitoring platform is uploaded
Bandwidth.
10. a kind of base station, it is characterised in that including：
Request receiving module, is asked for receiving user by the HD video that video monitoring platform is uploaded；
Priority setup module, for the user to be set into high-priority users；
Bandwidth allocation module, for the real-time bandwidth service condition according to all service users, dynamic adjustment band
Width distribution, is that user's distribution meets the bandwidth that the HD video is asked.
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