CN104053058B - Channel switching time-delay method and access control equipment - Google Patents
Channel switching time-delay method and access control equipment Download PDFInfo
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Abstract
The invention provides a channel switching time-delay method for improving an available rate of IPTV Internet television system channels and access control equipment for realization of the method. According to an enforcement, the method comprises steps that: a channel request from a user terminal is received; basic layer data of the channels are sent to the user terminal; whether a channel is a low priority channel is determined according to channel monitoring and statistics information; if the channel is determined to be the low priority channel, all enhancement layer data of the channel are delayed to transmit to the user terminal. Through the method, adverse influence caused by rapid sequential television channel browse carried out by a user can be effectively ameliorated especially during advertisement time between television programs through reducing user channel request blocking probability and also improving the available rate of a channel enhancement layer.
Description
Technical field
The present invention relates to network television system, in particular it relates to one kind is used for improving IPTV (Internet television) system frequency
The channel switch time-delay method of road availability and the access control equipment realizing the method.
Background technology
Fig. 1 shows the block diagram of a traditional IPTV transmission network 100.As shown in figure 1, traditional IPTV transmission network
Network 100 includes video source office (VHO) 1100, edge router (ER) 1200, access point (AN) 1300, Set Top Box/electricity
Depending on (STB/TV) (user terminal) 1400.Fig. 1 is only example, and the quantity of wherein each assembly is not intended to be limited in any.VHO
1100 are connected with ER 1200 by core net 1800.ER 1200 is connected with AN 1300 by access network 1900.AN 1300 with
STB/TV 1400 is connected.
IPTV system is provided and runed by telecom operators.Access network 1900 can include substantial amounts of gigabit Ethernet
(GbE) link.As a rule, IPTV service provider be always desirable to provide a user with greater number of, different types of
Television channel, and wish that each channel can have higher visual quality (for example, higher resolution), because so can inhale
Draw more users, thus creating higher income and profit for service provider.
At present, in a typical IPTV system, the number of live television channel has been up to hundreds of.For example, certain
One IPTV system provide a total 500 live television channel for user, including 350 SD channels (SDTV) (band
Wide 4Mbps/CH) and 150 high definition channels (HDTV) (bandwidth 8Mbps/CH).In order to by way of multicast on network
Simultaneous transmission this 500 channels all of, to each access point (for example, the AN1300 in Fig. 1), need to be located at each
About 350*4+150*8=2.6Gbps bandwidth is reserved on the link in transmission path.This bandwidth requirement has been far above gigabit
The capacity that can be supported by of ethernet link.
In actual IPTV system, the popularity difference of different television channels is very big.For example, work as IPTV system
When being in static (steady-state) (all users are in viewing rather than fast browsing television channel), any one with
The time point that machine selects, in all television channels that IPTV service business provides, only sub-fraction channel has user in viewing.Cause
This, service provider there is no need do not have the channel reservation of user's viewing for those on each bar link in IPTV transmission network
Bandwidth, otherwise may lead to resource valuable to be in a large number wasted.In other words, IPTV service provider generally only need to be on transmission road
On footpath, reserved a small amount of bandwidth resources (may be considerably less than the bandwidth required for all television channels of simultaneous transmission) just can meet
Service quality (QoS) and the requirement of user experience quality (QoE).
But, a large amount of TV users tend to come switching TV channel, this by quick (target/sequentially) browsing mode
Situation is particularly easy to the time spot in-between programs.This behavior of user can destroy the distribution of static channel popularity,
Those very unfashionable channels are made also to have an opportunity to be accessed, thus bringing flow extra in a large number to access network.Its consequence is that have
Bottleneck link may be produced (for example, between the ER 1200 in Fig. 1 and AN 1300) in the IPTV access network of Bandwidth-Constrained, increase
Large user's request blocking probability (reduces channel availability) simultaneously.In order to ensure good service quality (QoS) and Consumer's Experience
Quality (QoE), need a kind of technical scheme or strategy come to alleviate this by TV user fast browsing channel brought bad
Impact.
Content of the invention
The present invention proposes a kind of channel switch time-delay method and access control equipment, scalable using K layer for processing
The video data that Video Coding Scheme is encoded.According to the present invention it is possible to reserve enough biographies for the basal layer of all channels
Defeated bandwidth, and all of television channel is divided into high priority (popular) channel and low priority (non-popular) channel two is big
Class, thus the transmission to the enhancement layer of inhomogeneity (high priority and low priority) channel uses different active delaying policies.
First scheme according to the present invention it is proposed that a kind of channel switch time-delay method, including：Receive user terminal
The request to channel；The base layer data of described channel is sent to described user terminal；Monitored based on channel and statistics letter
Breath, determines whether described channel is low priority channel；And if it is determined that described channel is low priority channel, then postpone institute
State the transmission of all enhancement data of channel to described user terminal.
Alternative plan according to the present invention it is proposed that a kind of access control equipment, including：Receiving unit, for receiving
The request to channel of user terminal；Delivery unit, for transmitting video data to user terminal；Control unit, for
When described receiving unit receives described request, described delivery unit is controlled to send the base layer data of described channel to described
User terminal, and monitored and statistical information based on channel, determine whether described channel is low priority channel, wherein, if institute
State control unit and determine that described channel is low priority channel, then described control unit controls described delivery unit to postpone described frequency
All enhancement data in road are to the transmission of described user terminal.
According to some embodiments of the present invention if it is determined that described channel is not low priority channel, then by described channel
At least one enhancement data send described user terminal to, but postpone higher at least than at least one enhancement data described
Another enhancement data is to the transmission of described user terminal.
Other embodiments according to the present invention are if it is determined that described channel is not low priority channel, then true further
Whether the fixed other users terminal belonging to identical access point with described user terminal is receiving the enhancement data of described channel；
If it is determined that other users terminal is receiving the enhancement data of described channel, then by least one enhancement layer of described channel
Data sends described user terminal to, but postpones at least another enhancement data higher than at least one enhancement data described
Transmission to described user terminal.
According to the still other embodiments of the present invention, before determining whether described channel is low priority channel, first determine
Whether the other users terminal belonging to identical access point with described user terminal is receiving the enhancement data of described channel, its
In if it is determined that other users terminal is receiving the enhancement data of described channel, and determine that described channel is not low preferential
Level channel, then send at least one enhancement data of described channel to described user terminal, but postpones ratio described at least
High at least another enhancement data of individual enhancement data is to the transmission of described user terminal.
In these embodiments above-mentioned, at least one enhancement data described includes belonging to identical with described user terminal and connects
All enhancement data of the described channel that all user terminals of access point are received.For example, the data of described channel includes base
To K enhancement data, K is greater than 2 integer to plinth layer data and the 2nd, belongs to the institute of identical access point with described user terminal
The all enhancement data having the described channel that user terminal received include 2 to the kth enhancement data of described channel, k
It is greater than equal to 2 and be less than the integer of K.In this case, described at least another enhancement data includes kth+1 to K
Enhancement data, the delay time T to the i-th enhancement datai>=delay time T to jth enhancement dataj, wherein K >=i ＞
j≥k+1.
In some embodiments of the invention if it is determined that belong to the other users of identical access point with described user terminal
Terminal does not receive the enhancement data of described channel, then all enhancement data postponing described channel are to described user terminal
Transmission.
The data of described channel includes base layer data and the 2nd to K enhancement data, and K is greater than 2 integer.Wherein,
Delay time T to the i-th enhancement datai>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=2.
According to another embodiment of the invention if it is determined that described channel is not low priority channel, then by described frequency
All enhancement data in road send described user terminal to.
Wherein, described channel supervision and statistical information are the access frequency based on channel or the statistics determination of total viewing time
's.For example, access frequency is not higher than predetermined threshold or total viewing time no longer than the channel of predetermined threshold is low priority channel,
Conversely, the channel that access frequency is longer than predetermined threshold higher than predetermined threshold or total viewing time is high priority channel.
By reduce user channel ask blocking rate, simultaneously improve channel enhancement layer availability, can effectively improve by
User's execution rapid sequential browses the harmful effect that television channel (time spot particularly in-between the television) is brought.
Brief description
By the preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, above and other purpose, the spy of the present invention will be made
Advantage of seeking peace is clearer, wherein：
Fig. 1 shows the block diagram of a traditional IPTV transmission network 100.
Fig. 2 shows the block diagram of the IPTV transmission network 200 according to illustrated embodiments of the invention.
Fig. 3 shows the block diagram of the access control equipment 2500 according to illustrated embodiments of the invention.
The flow chart that Fig. 4 A shows the channel switch time-delay method 400A according to the present invention first example embodiment.
The flow chart that Fig. 4 B shows the channel switch time-delay method 400B according to the present invention second example embodiment.
The flow chart that Fig. 4 C shows the channel switch time-delay method 400C according to the present invention the 3rd example embodiment.
The flow chart that Fig. 4 D shows the channel switch time-delay method 400C according to the present invention the 4th example embodiment.
In all the drawings in the present invention, same or analogous structure and step are all with same or analogous reference mark
Know.
Specific embodiment
With reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail, eliminate in the course of the description for this
It is unnecessary details and function for invention, to prevent the understanding of the present invention from causing to obscure.
First, technical term as used in this specification is illustrated.
User's request blocking rate CBP, Call Blocking Probability
In one given time, the ratio of blocked channel request because the network bandwidth limits
Channel availability CA, Channel Availability
It is inversely proportional to user's request blocking rate
Fast browsing pattern Zapping Mode
The browse mode of user's fast switching channels at short notice
Watching mode Viewing Mode
User persistently watches the pattern of same channel within relatively long a period of time
Order browses Sequential Zapping
User pass through remote control on lower key select channel fast browsing pattern
Target browses Targeted Zapping
User passes through number keys of remote controller or electric program menu (EPG) selects the fast browsing pattern of channel
Scalable video SVC, Scalable Video Coding
A kind of advanced video encoding technology, Ke Jiang mono- tunnel high-quality video stream is divided into n (n ＞ 1) way video flowing.Wherein
Each way video flowing can represent a relatively low space, the video of temporal resolution or picture quality (each alone or in combination)
Signal
Basal layer Base Layer
Basic coding sublayer
Enhancement layer Enhancement Layers
Other sublayers in addition to basic coding sublayer, all need just can be decoded together with basic sublayer
Active channel handoff delay Active Channel Changing Delay
A kind of user channel request connection control method based on active channel handoff delay
Fig. 2 shows the block diagram of the IPTV transmission network 200 according to illustrated embodiments of the invention.As shown in Fig. 2 IPTV
Transmission network 200 includes video source office (VHO) 2100, edge router (ER) 2200, access point (AN) 2300, machine top
Box/TV (STB/TV) (user terminal) 2400.Fig. 2 is only example, and the quantity of wherein each assembly is not intended to be limited in any.
VHO 2100 is connected with ER 2200 by core net 2800.ER 2200 is connected with AN 2300 by access network 2900.AN
2300 are connected with STB/TV 2400.IPTV transmission network 200 also includes access control equipment (ACM) 2500 and monitors that statistics sets
Standby (MSM) 2600.In a concrete implementation, edge router (ER) 2200 can be by BAS Broadband Access Server/business road
Realized by device (BRAS/SR)；Access point (AN) 2300 can be realized by Digital Subscriber Line Access Multiplexer (DSLAM).
As shown in Fig. 2 ACM2500 is used for controlling the video data (mainly enhancement layer) of all television channels in access network
Transmission on each AN 2300 in 2900 controls.On the one hand, ACM 2500 can be realized by distributed mode, and that is, it connects
Enter control function to be realized respectively by each AN 2300 (DSLAM).On the other hand, ACM 2500 can also concentrate and be implemented in access
In net 2900 than AN 2300 closer in a physical network entity of core net 2800, for example, as shown in Fig. 2 realizing in ER
On 2200 (BRAS/SR).
MSM 2600 is used for monitoring the behavior of user's switching channels (such as：Fast channel browses), based on access frequency or total
Viewing time carries out channel popularity statistics.For example, MSM 2600 can be based on threshold value, and television channel is divided into popular channel
(high priority channel) and non-streaming line frequency road (low priority channel).As an example, access frequency can be not higher than predetermined threshold
Value or total viewing time are divided into low priority channel no longer than the channel of predetermined threshold, conversely, access frequency is higher than predetermined
The channel that threshold value or total viewing time are longer than predetermined threshold is divided into high priority channel.MSM 2600 can to above-mentioned channel classification
To carry out dynamic surveillance and statistics, for example, it is possible to monitoring and counting access frequency within a predetermined period of time or total viewing time,
Thus realize corresponding popularity dividing.Similar to ACM 2500, on the one hand, MSM 2600 can be real by distributed mode
Existing, that is, its control function is in the upper realization of each AN 2300 (DSLAM)；Its statistical function can compare AN by access network 2900
2300 closer to core net 2800 physical network entity realize.On the other hand, MSM 2600 can also centralized realize, that is, supervise
Control function and statistical function are all realized by same physical network entity, for example, realize on ER 2200 (BRAS/SR).
ACM 2500 and MSM 2600 can be connected with each other (for example, by logic interfacing or physical circuit) (as dotted line in Fig. 2
Shown), with intercorrelation information (such as：The Real-time and Dynamic classification information of television channel).
In IPTV transmission network 200 shown in Fig. 2, (N is certainly altogether to provide N number of television channel based on dynamic multicast
So count).Video flowing corresponding to each channel passes through scalable video coding method, is encoded as K constant (or approximately permanent
The sub-video stream (K is greater than 2 integer) of speed calmly), corresponds respectively to K different Video coding sublayer and (includes 1 basis
Layer and K-1 enhancement layer).One of specific sublayer k needs and compared with (i.e. -1 increasing from basal layer to kth of its low all sublayer
Strong layer) just can be decoded (K >=k >=2) together.
Generally, the link in core net 2800 has enough bandwidth for all of television channel of simultaneous transmission.
Thus, all sublayers (basal layer and the 2nd is to K enhancement layer) of all television channels all pass through the side of dynamically (or static) multicast
Formula is transferred to the edge (i.e. on the ER 2200 (BRAS/SR) in Fig. 2) of core net 2800.
Due to there is substantial amounts of gigabit Ethernet GbE link in access network 1900, thus the link of access network 1900
Generally can not support to transmit the television channel (including basal layer and all of enhancement layer) of all total qualities to often with multicast
One AN 1300 (DSLAM).In access network 1900, the bandwidth B of a bottleneck link generally meets with lower inequality (1)：
Wherein riRepresent the bandwidth needed for the i-th sublayer, the 1st sublayer represents basal layer, 2 to k-th sub layer is enhancement layer, i
=1,2 ..., K.
On all links in channel transmission route, permanently the basal layer for all channels reserves enough bands
Width, thus the sub-video stream corresponding to when system transfers arbitrary television channel basal layer to ask this channel user side when,
Extra delay will not be introduced, user can watch basal layer (the relatively low video of asked channel in the very first time simultaneously
Quality).Therefore, in access network 1900, the bandwidth B of a bottleneck link meets with lower inequality：
MSM 2600 can monitor the dynamic change situation of user's fast browsing channel frequency, for example, in-between programs
It can be observed that the explosive of channel switching event increases in commercial break.Meanwhile, MSM 2600 can be to television channel
Carry out real-time dynamic cataloging (for example：Every 15 minutes), all N number of channel classifications are high priority bank (popular channel) and low
Priority groups (non-streaming line frequency road).For example, according to total viewing time, MSM2600 can go out the stream of each television channel with real-time statistics
Row degree, N number of channel be divide into two different groups of priority, i.e. high priority bank (comprising the individual popular channel of h (N >=h >=0))
With low priority group (comprising N-h non-streaming line frequency road).Channel in this two groups can be dynamic renewal (for example：Every 15 points
Clock).
In addition, the concept based on popular channel proposed by the invention, can all links in channel transmission route
On, permanently the basal layer in all layers for popular channel and non-streaming line frequency road reserves enough bandwidth, thus strengthening popular
The Consumer's Experience of channel.In this case, it is assumed that having the individual popular channel of h (N >=h >=0), then access network in N number of channel
In 1900, the bandwidth B of a bottleneck link meets with lower inequality：
Fig. 3 further illustrates the block diagram of the access control equipment 2500 according to illustrated embodiments of the invention.As Fig. 3 institute
Show, access control equipment (ACM) 2500 can include receiving unit 2510, delivery unit 2520 and control unit 2530.
Receiving unit 2510 receives the request to channel of user terminal (STB/TV 2400).Delivery unit 2520
Transmit video data to user terminal (STB/TV 2400).Control unit 2530 is used for receiving request in receiving unit 2510
When, control delivery unit 2520 that the base layer data of channel sends to the user terminal (STB/TV 2400) sending request, and
Monitored and statistical information based on the channel from MSM 2600, determine that this channel is low priority channel or high priority frequency
Road.
With regard to control unit 2530, the transmission of video data is controlled, various ways can be adopted.Below with reference to figure
Multiple embodiments that 4A, Fig. 4 B, Fig. 4 C and Fig. 4 D controls to transmission are described in detail.
Fig. 4 A, Fig. 4 B, Fig. 4 C, Fig. 4 D respectively illustrate according to first, second, third and fourth example embodiment of the present invention
Channel switch time-delay method 400A, 400B, 400C and 400D flow chart.It should be appreciated that these channel switch time-delay methods
It is only example, the invention is not limited in these specific processing modes.In Fig. 4 A, Fig. 4 B and Fig. 4 C, same or analogous
Step is represented with identical reference, and in due course, merges or omit corresponding repeated description.
First, with reference to Fig. 4 A, in step S410, receiving unit 2510 receives user terminal (STB/TV 2400)
Request to channel a.In step S420, control unit 2530 controls delivery unit 2520 immediately by the base layer data of channel a
Send the user terminal (STB/TV 2400) sending request to.In step S430, control unit 2530 is based on from MSM 2600
Channel monitor and statistical information, determine whether channel a is low priority channel.If control unit 2530 determines channel a being
Low priority channel (step S430：It is), then in step S440, control unit 2530 controls delivery unit 2520 to postpone channel a
Transmission from all enhancement data (2 to k-th sub layer) to user terminal (STB/TV 2400), wherein to i-th enhancing the number of plies
According to delay time Ti>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=2.If control unit 2530 is true
Determining channel a is not low priority channel (step S430：No), then in step S450, control unit 2530 controls delivery unit
2520 send 2 to the kth enhancement data (K >=k >=2) of channel a to send request user terminal (STB/TV immediately
2400), but postpone the kth+1 of channel a to K enhancement data to the transmission of user terminal (STB/TV 2400), wherein to the
The delay time T of i enhancement datai>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=k+1.
With reference to Fig. 4 B, on the basis of Fig. 4 A, after step S430 (no branch), before step S450, increased another
One judges step S435.In step S435, control unit 2530 further determines that and sends the user terminal (STB/TV of request
2400) whether the other users terminal belonging to identical access point (AN 1300) is receiving the enhancement data of channel a.If
Control unit 2530 determines that other users terminal is receiving enhancement data (for example, 2 to the kth enhancing number of plies of channel a
According to K >=k >=2) (step S435：It is), then execution step S450, i.e. control unit 2530 controls delivery unit 2520 by channel
2 to the kth enhancement data of a sends user terminal (STB/TV 2400) to, but the kth+1 postponing channel a strengthens to K
Layer data is to the transmission of user terminal (STB/TV 2400), the wherein delay time T to the i-th enhancement datai>=jth is increased
The delay time T of strong layer dataj, wherein K >=i ＞ j >=k+1.On the other hand, if control unit 2530 determines and sends request
User terminal (STB/TV 2400) belong to the other users terminal of identical access point (AN 1300) and do not receive the increasing of channel a
Strong layer data (step S435：No), then execution step S440, i.e. control unit 2530 controls delivery unit 2520 to postpone channel a
Transmission from all enhancement data (2 to k-th sub layer) to user terminal (STB/TV 2400), wherein to i-th enhancing the number of plies
According to delay time Ti>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=2.
With reference to Fig. 4 C, on the basis of Fig. 4 A, after step S420, before step S430, increased another judgement step
Rapid S425.In step S425, control unit 2530 first determines and belongs to identical with the user terminal (STB/TV 2400) sending request
Whether the other users terminal of access point (AN 1300) is receiving the enhancement data of channel a.If control unit 2530 is true
Determine enhancement data (for example, 2 to kth enhancement data, K >=k >=2) (step that other users terminal is receiving channel a
S425：It is), then execution step S430, i.e. control unit 2530 is monitored and statistical information based on the channel from MSM 2600,
Determine whether channel a is low priority channel.On the other hand, if control unit 2530 determines and the user terminal sending request
The other users terminal that (STB/TV 2400) belongs to identical access point (AN 1300) does not receive the enhancement data of channel a
(step S425：No), then execution step S440, i.e. control unit 2530 controls delivery unit 2520 to postpone all increasings of channel a
Strong layer data (2 to k-th sub layer) is to the transmission of user terminal (STB/TV 2400), the wherein delay to the i-th enhancement data
Time τi>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=2.
With reference to Fig. 4 D, this flow process 400D bandwidth B of a bottleneck link be applied to access network 1900 meets above-mentioned
The scene of formula (3).In step S410, receiving unit 2510 receives user terminal (STB/TV 2400) channel a is asked
Ask.In step S420, the base layer data of channel a is sent to send by control unit 2530 control delivery unit 2520 immediately asks
The user terminal (STB/TV 2400) asked.In step S430, control unit 2530 monitored based on the channel from MSM 2600 and
Statistical information, determines whether channel a is low priority channel.If control unit 2530 determines that channel a is low priority channel
(step S430：It is), then in step S440, control unit 2530 controls delivery unit 2520 to postpone all enhancement layers of channel a
Data (2 to k-th sub layer) is to the transmission of user terminal (STB/TV 2400), the wherein time delay to the i-th enhancement data
τi>=delay time T to jth enhancement dataj, wherein K >=i ＞ j >=2.If control unit 2530 determines that channel a is not low
Priority channel (step S430：No), then in step S460, control unit 2530 controls delivery unit 2520 immediately by channel a
All enhancement data (2 to k-th sub layer) send the user terminal (STB/TV 2400) sending request to.
Other settings of the embodiment of the present invention disclosed herein include executing the method formerly summarized and subsequently describe in detail in fact
Apply the software program of the steps and operations of example.More specifically, computer program is a kind of following embodiment：There is calculating
Machine computer-readable recording medium, on computer-readable medium, coding has computer program logic, when executing on the computing device, computer journey
Sequence logic provides related operation, thus providing above-mentioned channel switch time delay scheme.When at least one process in computing system
When executing on device, computer program logic makes the operation (method) described in the computing device embodiment of the present invention.The present invention's
The computer that this set is typically provided as arranging or encoding in such as optical medium (such as CD-ROM), floppy disk or hard disk etc. can
On software on reading medium, code and/or other data structures or such as one or more ROM or RAM or PROM chip
Downloadable software in other media of firmware or microcode or special IC (ASIC) or one or more module
Image, shared data bank etc..Software or firmware or this configuration may be installed in computing device, so that in computing device
Technology described in the individual or multiple computing device embodiment of the present invention.In conjunction with such as one group of data communications equipment or other entities
The software process that operated of computing device node and main frame according to the present invention can also be provided.Node according to the present invention
Multiple software process in multiple data communications equipment can also be distributed in main frame or on one group of small, dedicated computer
Between all software process running on all software process running or single computer.
It should be understood that strictly, embodiments of the invention can be implemented as software program in data handling equipment, soft
Part and hardware or single software and/or single circuit.
So far already in connection with preferred embodiment, invention has been described.It should be understood that those skilled in the art are not
In the case of departing from the spirit and scope of the present invention, various other changes, replacement and interpolation can be carried out.Therefore, the present invention
Scope be not limited to above-mentioned specific embodiment, and should be defined by the appended claims.
Claims (16)
1. a kind of channel switch time-delay method, including：
Receive the request to channel of user terminal；
The base layer data of described channel is sent to described user terminal；
Monitored and statistical information based on channel, determine whether described channel is low priority channel；
If it is determined that described channel is low priority channel, then postpone all enhancement data of described channel to described user eventually
The transmission at end；
If it is determined that described channel is not low priority channel, then further determines that and belong to identical access point with described user terminal
Other users terminal whether receiving the enhancement data of described channel；And
If it is determined that other users terminal is receiving the enhancement data of described channel, then by least one increasing of described channel
Strong layer data sends described user terminal to, but postpones at least another enhancement layer higher than at least one enhancement data described
Data is to the transmission of described user terminal.
2. channel switch time-delay method according to claim 1, at least one enhancement data wherein said includes and institute
State all enhancement data that user terminal belongs to the described channel that all user terminals of identical access point are received.
3. channel switch time-delay method according to claim 2, the data of wherein said channel include base layer data and
2nd to K enhancement data, and K is greater than 2 integer, belongs to all user terminals of identical access point with described user terminal
All enhancement data of the described channel being received include 2 to the kth enhancement data of described channel, and k is greater than equal to 2
And the integer less than K.
4. channel switch time-delay method according to claim 3, wherein said at least another enhancement data includes kth
+ 1 to K enhancement data, the delay time T to the i-th enhancement datai>=delay time T to jth enhancement dataj, its
Middle K >=i ＞ j >=k+1.
5. channel switch time-delay method according to claim 1, also includes：
If it is determined that the other users terminal belonging to identical access point with described user terminal does not receive the enhancing of described channel
Layer data, then postpone the transmission of all enhancement data of described channel to described user terminal.
6. channel switch time-delay method according to claim 1, also includes：
If it is determined that described channel is not low priority channel, then all enhancement data of described channel are sent to described use
Family terminal.
7. channel switch time-delay method according to claim 1, wherein said channel monitors and statistical information is based on frequency
The access frequency in road or total viewing time count determination.
8. channel switch time-delay method according to claim 7, wherein access frequency are not higher than predetermined threshold or total viewing
The channel that time is no longer than predetermined threshold is low priority channel, conversely, access frequency is higher than predetermined threshold or total viewing time
The channel being longer than predetermined threshold is high priority channel.
9. a kind of access control equipment, including：
Receiving unit, for receiving the request to channel of user terminal；
Delivery unit, for transmitting video data to user terminal；
Control unit, for when described receiving unit receives described request, controls described delivery unit by described channel
Base layer data sends described user terminal to, and is monitored and statistical information based on channel, determines whether described channel is low excellent
First level channel,
Wherein, if described control unit determines that described channel is low priority channel, described control unit controls described biography
Send the transmission of all enhancement data of channel described in cell delay to described user terminal；
If described control unit determines that described channel is not low priority channel, described control unit further determines that and institute
State user terminal and belong to the other users terminal of identical access point and whether receive the enhancement data of described channel；And
If described control unit determines that other users terminal is receiving the enhancement data of described channel, described control is single
Unit controls described delivery unit to send at least one enhancement data of described channel to described user terminal, but postpones to compare institute
State high at least another enhancement data of at least one enhancement data to the transmission of described user terminal.
10. access control equipment according to claim 9, at least one enhancement data wherein said includes and described use
Family terminal belongs to all enhancement data of the described channel that all user terminals of identical access point are received.
11. access control equipments according to claim 10, the data of wherein said channel includes base layer data and the 2nd
To K enhancement data, K is greater than 2 integer, and all user terminals belonging to identical access point with described user terminal are connect
All enhancement data of the described channel received include 2 to the kth enhancement data of described channel, and k is greater than equal to 2 and little
Integer in K.
12. access control equipments according to claim 11, wherein said at least another enhancement data include kth+
14 control the delay time T to the i-th enhancement data for the described delivery unit to K enhancement data, described control uniti>=right
The delay time T of jth enhancement dataj, wherein K >=i ＞ j >=k+14.
13. access control equipments according to claim 9, also include：
If described control unit determines that the other users terminal belonging to identical access point with described user terminal does not receive institute
State the enhancement data of channel, then described control unit controls described delivery unit to postpone all enhancement data of described channel
Transmission to described user terminal.
14. access control equipments according to claim 9, also include：
If described control unit determines that described channel is not low priority channel, described control unit controls described transmission single
Unit sends all enhancement data of described channel to described user terminal.
15. access control equipments according to claim 9, wherein said channel monitors and statistical information is based on channel
Access frequency or total viewing time count determination.
When 16. access control equipments according to claim 15, wherein access frequency are not higher than predetermined threshold or always watch
Between be no longer than predetermined threshold channel be low priority channel, conversely, access frequency be higher than predetermined threshold or total viewing time long
It is high priority channel in the channel of predetermined threshold.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960453A (en) * | 2006-11-22 | 2007-05-09 | 华为技术有限公司 | Quick method and system for digital channel, and device for creating auxiliary channel |
| CN1961544A (en) * | 2004-04-13 | 2007-05-09 | 奥兰治公司 | Priority based multiplexing of data packet transport |
| CN1973550A (en) * | 2004-07-07 | 2007-05-30 | 汤姆森许可贸易公司 | Fast channel change in digital video broadcast systems over DSL using redundant video streams |
| CN101072337A (en) * | 2006-05-09 | 2007-11-14 | 阿尔卡特朗讯公司 | Method for fast zapping between TV channels |
| CN101267538A (en) * | 2007-03-15 | 2008-09-17 | 华为技术有限公司 | A method and system for switching network TV channel and buffer entity |
| CN101552920A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Media stream encoding method, media stream encoding device and media stream encode switching system |
| CN101909063A (en) * | 2010-08-11 | 2010-12-08 | 中国电信股份有限公司 | Method and system for pushing video streaming based on layered coding |
| CN102210144A (en) * | 2008-11-06 | 2011-10-05 | 阿尔卡特朗讯美国公司 | Method and apparatus for fast channel change |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100880893B1 (en) * | 2007-09-14 | 2009-01-30 | 한국전자통신연구원 | Apparatus for fast channel change using multiple multicast in iptv network and method thereof |
-
2013
- 2013-03-12 CN CN201310077860.0A patent/CN104053058B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961544A (en) * | 2004-04-13 | 2007-05-09 | 奥兰治公司 | Priority based multiplexing of data packet transport |
| CN1973550A (en) * | 2004-07-07 | 2007-05-30 | 汤姆森许可贸易公司 | Fast channel change in digital video broadcast systems over DSL using redundant video streams |
| CN101072337A (en) * | 2006-05-09 | 2007-11-14 | 阿尔卡特朗讯公司 | Method for fast zapping between TV channels |
| CN1960453A (en) * | 2006-11-22 | 2007-05-09 | 华为技术有限公司 | Quick method and system for digital channel, and device for creating auxiliary channel |
| CN101267538A (en) * | 2007-03-15 | 2008-09-17 | 华为技术有限公司 | A method and system for switching network TV channel and buffer entity |
| CN101552920A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Media stream encoding method, media stream encoding device and media stream encode switching system |
| CN102210144A (en) * | 2008-11-06 | 2011-10-05 | 阿尔卡特朗讯美国公司 | Method and apparatus for fast channel change |
| CN101909063A (en) * | 2010-08-11 | 2010-12-08 | 中国电信股份有限公司 | Method and system for pushing video streaming based on layered coding |
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