CN103618712B - A kind of recognition methods of DVB-RCS agreement - Google Patents
A kind of recognition methods of DVB-RCS agreement Download PDFInfo
- Publication number
- CN103618712B CN103618712B CN201310606304.8A CN201310606304A CN103618712B CN 103618712 B CN103618712 B CN 103618712B CN 201310606304 A CN201310606304 A CN 201310606304A CN 103618712 B CN103618712 B CN 103618712B
- Authority
- CN
- China
- Prior art keywords
- dvb
- burst packets
- burst
- rcs
- agreement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The recognition methods of DVB RCS agreement of the present invention, one is to send control information to RCST by the network control center, thus obtaining forward link signaling information, RCST resolves forward link signaling information further according to signaling table, completes the identification to DVB RCS agreement by the way of decoding；Another kind is to send control information to RCST by the network control center, when obtaining less than forward link signaling information, data traffic burst bag is isolated by method based on traffic characteristic, then by the traffic statistics of data traffic burst being completed the identification to DVB RCS agreement.By the identification to DVB RCS agreement of two kinds of methods, it is possible to increase the precision of identification, it is suitable for the trend that current network information capacity is growing.
Description
Technical field
The invention belongs to blind recognition technical field, more specifically, relate to the knowledge of a kind of DVB-RCS agreement
Other method.
Background technology
Broadband market just experiencings " two-dimentional " swift and violent growth to degree now: be on the one hand that broadband user's number constantly increases
Long, global broadband user has broken through 300,000,000 families；On the other hand it is that the network bandwidth constantly increases, from 512K
To 1M, 2M, even 10M.Along with this growth, broadband application also presents diversified trend, mould
Intending signal digitized (VoIP:Voice over Internet Protocol) is exactly general, peer-to-peer network in brief
(P2P:PeertoPeer), game on line, video ... various innovation and application constantly attract newly
User, makes the world in broadband become more rich and varied, the network management of Ye Shi operator simultaneously and O&M work
Make more complicated.
The most prevailing now with application such as P2P, Sip, the Internet resources of more than 75% are all by BT download etc.
Business consumes, the income taking or greatly reducing without planned consumption operator of massive band width.
Various network attacks are also becoming increasingly rampant, such as distributed denial of service attack (DDoS:Distributed Denial of
Service), worm propagation, VoIP service abduction, credit card fraud etc..Emerge in an endless stream on the Internet
Voice, video, download class new business, operator must find the plan of reply, as traffic-police manages road surface
Traffic equally manages broadband network, by flow management apparatus, distinguishes the different business classification in broadband network,
Then be distinguished by treating, the business being prevented or restricted from for some needs, then needing will as " street cleaner "
It clears up striking out.When the Internet is from the random share of bandwidth of all application, turn to for every kind of application class and
In order during distribution bandwidth, identified, detect and control network traffics by protocol identification and will become extremely important
, the identification of protocol massages and classification can also realize flow-control, network billing, information filtering and
The functions such as traffic management.
Three kinds are generally had: protocol identification based on port numbers, based on deeply at existing protocol recognition method
The protocol identification of degree bag detection and protocol identification based on deep stream detection.
Wherein, protocol identification technology based on deep-packet detection uses identification based on " tagged word ", according to data
" tagged word " of message load, including specific port, specific character string and characteristic bit sequence, right
Packet successively resolves, and finds and match protocol tagged word, thus completes protocol identification analysis.Based on " special
Levy word " the advantage of deep packet inspection technical be that accuracy rate is high, by the coupling of protocol characteristic word, can be accurate
Point out agreement, but the highest for the degree of dependence of characteristic signature based on deep packet inspection technical, calculate complexity
Degree height, has occurred in that the most now the method using payload encryption technology to evade protocol identification, has used this
Method makes deep packet inspection technical have a greatly reduced quality.
Protocol identification based on deep stream detection is different with based on deep packet inspection technical, it is not necessary to logarithm
Being analyzed according to bag load, use a kind of application identification technology based on traffic behavior, the most different should
The state being embodied in session connection or data stream by type is had nothing in common with each other.Mean Speed that it is flowed by application,
The stream characteristic informations such as stream persistent period, bag length, message length sequence realize the identification of application traffic, the most not
The state that same application type is embodied on session connection or data stream is had nothing in common with each other.But present flow
Characteristic parameter is that time domain charactreristic parameter based on stream carries out classification analysis mostly, and these time domain parameters easily with
Changing the change with the time and changing of complicated network environment space.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the identification side of a kind of DVB-RCS agreement
Method, by resolving the target characteristic of capture, thus obtains high-level protocol information, has calculating letter simultaneously
Just with the characteristic of high accuracy.
For achieving the above object, the recognition methods of DVB-RCS agreement of the present invention, it is characterised in that base
In the DVB-RCS protocol identification of forward link signaling information, comprise the following steps:
(1), forward link signaling is extracted:
(1.1), DVB-RCS agreement is to common signal channel burst packets (CSC:Common Signalling Channel
Type), channel acquisition burst packets (ACQ:Acquisition burst type), synchronization burst bag (SYNC:
Synchronization burst type) and business transmission burst packets (TRF:Traffic burst type) carry out energy
Amount diffusion, chnnel coding, interpolation lead code and modulation treatment；
(1.2), the network control center (NCC:Network control center) passes through DVB-S/DVB-S2
MPEG2-TS stream is sent to return link ICBM SHF satellite terminal (RCST:Return by agreement on the forward link
Channel Satellite Terminal), the control information content during RCST flows according to MPEG2-TS determines to send out
Send burst packets type；
(1.3), the bag identification field (PID:Packet Identification) in detection MPEG2-TS stream
Transferring content, PID field represents the content of transmission in MPEG2-TS stream, including DVB-S/DVB-S2 number
According to the signaling information with DVB-RCS, if PID field transferring content type it is known that, enter step (1.5)；
If PID field not can determine that transferring content type, then enter step (1.4)；
(1.4) the table identification field (Table_ID:Table Identifier) in MPEG2-TS stream, is extracted
Value, by the signaling table in DVB-RCS agreement, Table_ID judges that this MPEG2-TS transmits in flowing interior
Hold type, if Table_ID field transferring content type it is known that, enter step (1.5)；If Table_ID
Field not can determine that transferring content type, then exit；
(1.5), judge that in MPEG2-TS stream, whether the content of transmission is according to pid value or Table_ID value
The forward link signaling information of DVB-RCS, if the forward link signaling information of DVB-RCS, then enters
Entering step (2), if not the forward link signaling information of DVB-RCS, then this TS stream is DVB-S
Or the data stream of DVB-S2, and exit；
(2), the identification to DVB-RCS agreement burst packets:
(2.1), RCST sends the sending time slots of bag, letter by parsing forward link signaling information, acquisition
Road, frequency, coded system and preamble content, thus get the burst packets inner mold of response time slot；
(2.2) lead code of the TCT list item, in RCST resolution response time slot signaling table, in this burst packets pair
The TCT list item answered is analyzed preamble content；
(2.3), separate the lead code responding time slot burst packets, obtain the data division of response time slot burst packets；
(2.4), according to sending time slots, channel, frequency, coded system and the preamble content pair sending bag
Response time slot burst packets decodes, and completes the identification to DVB-RCS agreement burst packets.
The recognition methods of a kind of DVB-RCS agreement, it is characterised in that be also based on traffic characteristic
DVB-RCS protocol identification, comprises the following steps:
1), the burst packets of separation RCST transmission, therefrom extraction business transmission burst packets TRF:
1.1), DVB-RCS agreement to common signal channel burst packets CSC, channel acquisition burst packets ACQ, with
Step burst packets SYNC and business transmission burst packets TRF carry out energy dissipation, chnnel coding, interpolation lead code
And modulation treatment；
1.2), network control center NCC passes through DVB-S/DVB-S2 agreement by control information at forward chaining
It is sent to RCST, RCST on road and determines to send burst packets type according to controlling information content；
1.3), by the Apriori algorithm in data mining, the lead code of every kind of burst packets is excavated；
1.4), separate burst packets lead code, obtain burst packets data division；
1.5) ACQ and CSC burst packets, is extracted: analyze the form of CSC burst packets, by CSC burst packets
It is fixed packet length after happening suddenly for the request of networking and removing lead code, and the MAC Address of CSC burst packets
The feature of field, and then isolate CSC burst packets, the length of ACQ burst packets is the shortest in all burst packets
And the persistent period of burst is the shortest, thus isolate ACQ burst packets；
1.6), TRF burst packets is extracted based on traffic characteristic: in two burst packets of remaining SYNC and TRF,
Regard two kinds of burst packets as two kinds of different subflows, add up the traffic characteristic of two seed flows, pass through traffic classification
Method extract TRF burst packets；
2), to business transmission burst packets TRF identification: by step 1) process after, data stream is pure TRF
Stream, i.e. comprises two kinds of MPEG-2 streams and ATM flows, and adds up the traffic characteristic of two kinds of streams, by traffic classification
Method distinguishes MPEG-2 stream and ATM flows, thus completes the identification to DVB-RCS agreement burst packets.
Wherein, described common signal channel burst packets CSC, channel acquisition burst packets ACQ and synchronization burst bag
SYNC send for controlling information, described business transmission burst packets TRF send for data message.
The recognition methods of described DVB-RCS agreement, it is characterised in that described MAC Address field
Deposit the MAC Address of RCST and the traffic characteristic of burst packets.
The goal of the invention of the present invention is achieved in that
The recognition methods of DVB-RCS agreement of the present invention, one is to send control information by the network control center
To RCST, thus obtaining forward link signaling information, RCST resolves forward link signaling further according to signaling table
Information, completes the identification to DVB-RCS agreement by the way of decoding；Another kind is by network control
Heart transmission control information is to RCST, when obtaining less than forward link signaling information, by based on traffic characteristic
Method isolate data traffic burst bag, more right by the traffic statistics of data traffic burst are completed
The identification of DVB-RCS agreement.By the identification to DVB-RCS agreement of two kinds of methods, it is possible to increase identify
Precision, be suitable for the growing trend of current network information capacity.
Meanwhile, the recognition methods of DVB-RCS agreement of the present invention also has the advantages that
The recognition methods of DVB-RCS agreement of the present invention, for control of network flow quantity, network billing, content mistake
Filter significant, have certain undertaking effect simultaneously for analyzing upper-layer protocol.
Accompanying drawing explanation
Fig. 1 is a kind of detailed description of the invention flow chart of the recognition methods of DVB-RCS agreement of the present invention；
Fig. 2 is the another kind of detailed description of the invention flow chart of the recognition methods of DVB-RCS agreement of the present invention；
Table 1 is DVB-RCS signaling table.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described, in order to those skilled in the art is more
Understand the present invention well.Requiring particular attention is that, in the following description, when known function and setting
Perhaps, when the detailed description of meter can desalinate the main contents of the present invention, these are described in and will be left in the basket here.
Embodiment
Describe for convenience, first the relevant speciality term occurred in detailed description of the invention illustrated:
NCC (Network control center): the network control center；
RCST (Return Channel Satellite Terminal): return link ICBM SHF satellite terminal；
MPEG2-TS: be the form of DVB-S/DVB-S2 transmission data；
PID (Packet Identification): bag identifies field；
Table_ID (Table Identifier): table identification field；
TCT (Time-slot Composition Table): time slot composition information；
CSC (Common Signalling Channel type): common signal channel burst packets；
ACQ (Acquisition burst type): channel acquisition burst packets；
SYNC (Synchronization burst type): synchronization burst bag；
TRF (Traffic burst type): business transmission burst packets；
Fig. 1 is a kind of detailed description of the invention flow chart of the recognition methods of DVB-RCS agreement of the present invention.
In the present embodiment, as it is shown in figure 1, the recognition methods of DVB-RCS agreement of the present invention, including following
Step:
S101, through DVB-RCS agreement to common signal channel burst packets CSC, channel acquisition burst packets ACQ,
It is leading that synchronization burst bag SYNC and business transmission burst packets TRF carry out energy dissipation, chnnel coding, interpolation
After code and modulation treatment, network control center NCC passes through DVB-S/DVB-S2 agreement by MPEG2-TS
The control information content being sent to during RCST, RCST flow according to MPEG2-TS on the forward link determines to send out
Send burst packets type；
The transferring content of the PID transmissions field in S102, detection MPEG2-TS, PID field represents
The content of transmission in MPEG2-TS stream, the signaling including DVB-S/DVB-S2 data and DVB-RCS is believed
Breath, if PID field transferring content type it is known that, enter step S104；If PID field can not be true
Determine transferring content type, then enter step S103；
S103, the Table_ID field value extracted in MPEG2-TS stream, Table_ID passes through DVB-RCS
Signaling table in agreement judges the content type of transmission in this MPEG2-TS stream, if Table_ID field passes
Defeated content type is it is known that then enter step S104；If Table_ID field not can determine that transferring content type,
Then exit；
S104, judge that according to pid value or Table_ID value in MPEG2-TS stream, whether the content of transmission is
The forward link signaling information of DVB-RCS, if the forward link signaling information of DVB-RCS, then enters
Entering step S105, if not the forward link signaling information of DVB-RCS, then this TS stream is DVB-S
Or the data stream of DVB-S2, and exit；
S105, RCST by resolve forward link signaling information, obtain send bag sending time slots, channel,
Frequency, coded system and preamble content, thus get the burst packets type of response time slot；
The lead code of the TCT list item in S106, resolution response time slot signaling table, at the TCT that this burst packets is corresponding
List item is analyzed preamble content；
S107, the lead code of separation response time slot burst packets, obtain the data division of response time slot burst packets；
S108, according to send bag sending time slots, channel, frequency, coded system and preamble content to sound
Answer time slot burst packets to decode, complete the identification to DVB-RCS agreement burst packets and exit.
Fig. 2 is the another kind of detailed description of the invention flow chart of the recognition methods of DVB-RCS agreement of the present invention.
As in figure 2 it is shown, in the present embodiment, present invention recognition methods based on DVB-RCS agreement, including
Following steps:
S201, through DVB-RCS agreement to common signal channel burst packets CSC, channel acquisition burst packets ACQ,
It is leading that synchronization burst bag SYNC and business transmission burst packets TRF carry out energy dissipation, chnnel coding, interpolation
After code and modulation treatment, network control center NCC passes through DVB-S/DVB-S2 agreement by MPEG2-TS
The control information content that stream is sent to during RCST, RCST flow according to MPEG2-TS on the forward link determines
Send burst packets type；
S202, by the Apriori algorithm in data mining, excavate the lead code of every kind of burst packets；
S203, the lead code of separation burst packets, obtain the data division of burst packets；
S204, extraction ACQ and CSC burst packets: analyze the form of CSC burst packets, by CSC burst packets be
The request of networking is fixed packet length after happening suddenly and removing lead code, and the MAC Address of CSC burst packets
The feature of field, and then isolate CSC burst packets, the length of ACQ burst packets is the shortest in all burst packets
And the persistent period of burst is the shortest, thus isolate ACQ burst packets；
S205, based on traffic characteristic extract TRF burst packets: in two burst packets of remaining SYNC and TRF,
Regard two kinds of burst packets as two kinds of different subflows, add up the traffic characteristic of two seed flows, pass through traffic classification
Method extract TRF burst packets；
S206, to business transmission burst packets TRF identification: by step S101 S106 process after, number
Flow for pure TRF according to stream, i.e. comprise two kinds of MPEG-2 streams and ATM flows, add up the traffic characteristic of two kinds of streams, logical
The method of inflow-rate of water turbine classification distinguishes MPEG-2 stream and ATM flows, thus completes DVB-RCS agreement burst packets
Identification.
DVB-RCS signaling table
| Signaling title | Table_ID |
| RMT (RCS mapping table) | 0x41 |
| SCT (superframe composition information) | 0xA0 |
| FCT (frame composition information) | 0xA1 |
| TCT (time slot composition information) | 0xA2 |
| SPT (satellite position information) | 0xA3 |
| CMT (terminal parameter control information) | 0xA4 |
| TBTP (terminal burst carrier slots scheme of arrangement) | 0xA5 |
| PCR packet payload (network clock reference information) | 0xA6 |
| Retain | 0xA7-0xA9 |
| Transmission Mode Support Table (DVB-S2 use) | 0xAA |
| Use after being left | 0xAB-0xAF |
| TIM (ICBM SHF satellite terminal station information) | 0xB0 |
Table 1
Table 1 is DVB-RCS protocol signaling table.
The a series of control signalings of DVB-RCS protocol definition, as shown in table 1, be used for coordinating the whole network synchronization,
Control terminal landing and exit, for terminal distribution time slot etc., the content of these signalings is as follows:
RMT (RCS mapping table): comprise the link information section of description to forward link service device；
SCT (superframe composition information), FCT (frame composition information), TCT (time slot composition information), TBTP are (eventually
Distal process sends out carrier slots scheme of arrangement): give superframe, frame, the frequency of time slot, bandwidth, initial time,
Persistent period, the modulation of time slot, coded system, the information such as preamble；
PCR packet payload (network clock reference information): be that the whole network keeps synchronizing；
Transmission Mode Support Table (DVB-S2 use): designate what forward link can be supported
Modulation system, LDPC code uses frame length；
TIM (ICBM SHF satellite terminal station information): transmit some network configuration informations, including being broadcast to the logical of all terminals
With configuration information and the configuration information unicasting to single terminal；
These signalings are sent to RCST, RCST according to wherein comprising by forward link by the network control center
Control and monitoring information, determine burst type of message, transmission frequency and the time slot of return link, coding staff
Formula etc..
Although detailed description of the invention illustrative to the present invention is described above, in order to the art
Artisans understand that the present invention, it should be apparent that the invention is not restricted to the scope of detailed description of the invention, to this
From the point of view of the those of ordinary skill of technical field, as long as various change limits in appended claim and determines
In the spirit and scope of the present invention, these changes are apparent from, and all utilize the invention of present inventive concept
Create all at the row of protection.
Claims (4)
1. the recognition methods of a DVB-RCS agreement, it is characterised in that based on forward link signaling information
DVB-RCS protocol identification, comprise the following steps:
(1), forward link signaling is extracted:
(1.1), DVB-RCS agreement is to common signal channel burst packets (CSC:Common Signalling Channel
Type), channel acquisition burst packets (ACQ:Acquisition burst type), synchronization burst bag (SYNC:
Synchronization burst type) and business transmission burst packets (TRF:Traffic burst type) carry out energy
Amount diffusion, chnnel coding, interpolation lead code and modulation treatment；
(1.2), the network control center (NCC:Network control center) passes through DVB-S/DVB-S2
MPEG2-TS stream is sent to return link ICBM SHF satellite terminal (RCST:Return by agreement on the forward link
Channel Satellite Terminal), the control information content during RCST flows according to MPEG2-TS determines to send out
Send burst packets type；
(1.3), the bag identification field (PID:Packet Identification) in detection MPEG2-TS stream
Transferring content, PID field represents the content of transmission in MPEG2-TS stream, including DVB-S/DVB-S2 number
According to the signaling information with DVB-RCS, if PID field transferring content type it is known that, enter step (1.5)；
If PID field not can determine that transferring content type, then enter step (1.4)；
(1.4) the table identification field (Table_ID:Table Identifier) in MPEG2-TS stream, is extracted
Value, by the signaling table in DVB-RCS agreement, Table_ID judges that this MPEG2-TS transmits in flowing interior
Hold type, if Table_ID field transferring content type it is known that, enter step (1.5)；If Table_ID
Field not can determine that transferring content type, then exit；
(1.5), judge that in MPEG2-TS stream, whether the content of transmission is according to pid value or Table_ID value
The forward link signaling information of DVB-RCS, if the forward link signaling information of DVB-RCS, then enters
Entering step (2), if not the forward link signaling information of DVB-RCS, then this TS stream is DVB-S
Or the data stream of DVB-S2, and exit；
(2), the identification to DVB-RCS agreement burst packets:
(2.1), RCST sends the sending time slots of bag, letter by parsing forward link signaling information, acquisition
Road, frequency, coded system and preamble content, thus get the burst packets type of response time slot；
(2.2) lead code of the TCT list item, in RCST resolution response time slot signaling table, in this burst packets pair
The TCT list item answered is analyzed preamble content；
(2.3), separate the lead code responding time slot burst packets, obtain the data division of response time slot burst packets；
(2.4), according to sending time slots, channel, frequency, coded system and the preamble content pair sending bag
Response time slot burst packets decodes, and completes the identification to DVB-RCS agreement burst packets.
The recognition methods of DVB-RCS agreement the most according to claim 1, it is characterised in that described
What common signal channel burst packets CSC, channel acquisition burst packets ACQ and synchronization burst bag SYNC sent believes for control
Breath, described business transmission burst packets TRF send for data message.
3. the recognition methods of a DVB-RCS agreement, it is characterised in that be also based on traffic characteristic
DVB-RCS protocol identification, comprises the following steps:
1), the burst packets of separation RCST transmission, therefrom extraction business transmission burst packets TRF:
1.1), DVB-RCS agreement to common signal channel burst packets CSC, channel acquisition burst packets ACQ, with
Step burst packets SYNC and business transmission burst packets TRF carry out energy dissipation, chnnel coding, interpolation lead code
And modulation treatment；
1.2), network control center NCC passes through DVB-S/DVB-S2 agreement by control information at forward chaining
It is sent to RCST, RCST on road and determines to send burst packets type according to controlling information content；
1.3), by the Apriori algorithm in data mining, the lead code of every kind of burst packets is excavated；
1.4), separate burst packets lead code, obtain burst packets data division；
1.5) ACQ and CSC burst packets, is extracted: analyze the form of CSC burst packets, by CSC burst packets
It is fixed packet length after happening suddenly for the request of networking and removing lead code, and the MAC Address of CSC burst packets
The feature of field, and then isolate CSC burst packets, the length of ACQ burst packets is the shortest in all burst packets
And the persistent period of burst is the shortest, thus isolate ACQ burst packets；
1.6), TRF burst packets is extracted based on traffic characteristic: in two burst packets of remaining SYNC and TRF,
Regard two kinds of burst packets as two kinds of different subflows, add up the traffic characteristic of two seed flows, pass through traffic classification
Method extract TRF burst packets；
2), to business transmission burst packets TRF identification: by step 1) process after, data stream is pure TRF
Stream, i.e. comprises two kinds of MPEG-2 streams and ATM flows, and adds up the traffic characteristic of two kinds of streams, by traffic classification
Method distinguishes MPEG-2 stream and ATM flows, thus completes the identification to DVB-RCS agreement burst packets.
The recognition methods of DVB-RCS agreement the most according to claim 3, it is characterised in that described
MAC Address field deposits the MAC Address of RCST and the traffic characteristic of burst packets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310606304.8A CN103618712B (en) | 2013-11-25 | 2013-11-25 | A kind of recognition methods of DVB-RCS agreement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310606304.8A CN103618712B (en) | 2013-11-25 | 2013-11-25 | A kind of recognition methods of DVB-RCS agreement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103618712A CN103618712A (en) | 2014-03-05 |
| CN103618712B true CN103618712B (en) | 2016-10-26 |
Family
ID=50169416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310606304.8A Expired - Fee Related CN103618712B (en) | 2013-11-25 | 2013-11-25 | A kind of recognition methods of DVB-RCS agreement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103618712B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846888B (en) * | 2016-05-25 | 2020-02-14 | 四川润泽经伟信息技术有限公司 | Multi-mode VSAT satellite communication signaling analysis system and analysis method |
| CN106059710A (en) * | 2016-05-25 | 2016-10-26 | 四川润泽经伟信息技术有限公司 | Signaling analysis method and signaling analysis system based on DVB-IPoS satellite communication |
| CN115801111B (en) * | 2023-02-10 | 2023-04-25 | 成都戎星科技有限公司 | Method for realizing MF-TDMA signal user time slot data separation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127676A (en) * | 2007-07-06 | 2008-02-20 | 清华大学 | Network access and control method based on satellite multicast and backhaul channel sharing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2874147B1 (en) * | 2004-08-05 | 2006-09-22 | Cit Alcatel | DEVICE FOR ALLOCATING SHARED RESOURCES OF A COMMUNICATION NETWORK BY ALLOCATING TEMPORAL INTERVALS OF A DYNAMICALLY ADAPTABLE TIME / FREQUENCY PLAN |
-
2013
- 2013-11-25 CN CN201310606304.8A patent/CN103618712B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127676A (en) * | 2007-07-06 | 2008-02-20 | 清华大学 | Network access and control method based on satellite multicast and backhaul channel sharing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103618712A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104320304B (en) | A kind of core network user flow application recognition methods of the multimode fusion easily extended | |
| CN101150763B (en) | A terminal and method for testing real time service transmission performance of WiMAX network | |
| EP2587755B1 (en) | Method, apparatus and system for implementing multicast | |
| CN103618712B (en) | A kind of recognition methods of DVB-RCS agreement | |
| US20120294159A1 (en) | Method of measuring activity over a voip call | |
| RU2012157264A (en) | METHOD, NETWORK DEVICE AND NETWORK SYSTEM FOR PROCESSING DATA TRANSFER SERVICES | |
| KR20210071872A (en) | Systems and methods for dynamically switching transmission of data from a cellular to a unidirectional point-to-multipoint network | |
| CN104243237B (en) | P2P flow detection method and device | |
| WO2007079280A3 (en) | Selective multicasting of sensor data for reliable delivery | |
| CN106454414B (en) | A kind of multipath network method for real-time video transmission | |
| CN108141387B (en) | Length control for packet header samples | |
| WO2007066975A3 (en) | Multimedia broadcast multicast service providing system and method thereof | |
| US7577129B2 (en) | Supporting multiple logical channels in a physical interface | |
| WO2015154984A1 (en) | Method and system for transmitting machine type communication data between a plurality of machine type communication devices and a mobile communication network, machine type communication device, mobile communication network, program and computer program product | |
| EP2186286B1 (en) | Improvements in or relating to monitoring in an internet protocol (ip) domain | |
| US20100333160A1 (en) | Segmentation of multicast distributed services | |
| EP1992111A2 (en) | Method of collecting descriptions of streams pertaining to streams relating to at least one client network attached to an interconnection network | |
| CN101883050A (en) | System and method for realizing service speed limit | |
| FR2945397B1 (en) | METHOD FOR PROCESSING IP-TYPE PACKETS FOR VEHICLE USE ON A COMMUNICATION CHANNEL OF A WIRELESS NETWORK, AND CORRESPONDING EQUIPMENT | |
| CN207218744U (en) | Multimedia network data processing system | |
| WO2007143487A3 (en) | Method and apparatus for establishing class of service across peering communication networks | |
| CN101414921B (en) | Control method and equipment for accommodating and releasing resource | |
| Ru et al. | Energy efficiency of hybrid cellular with heterogeneous QoS provisions | |
| CN203457263U (en) | WIFI adapter and digital television signal distribution system using WIFI adapter | |
| CN207010726U (en) | A kind of shunting device that non-symmetrical service is realized using UDP tunneling techniques |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20171125 |