CN100583775C - Method of configuring broadcast multicast system channel and broadcasting program stream - Google Patents
Method of configuring broadcast multicast system channel and broadcasting program stream Download PDFInfo
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- CN100583775C CN100583775C CN200610157834A CN200610157834A CN100583775C CN 100583775 C CN100583775 C CN 100583775C CN 200610157834 A CN200610157834 A CN 200610157834A CN 200610157834 A CN200610157834 A CN 200610157834A CN 100583775 C CN100583775 C CN 100583775C
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Abstract
The utility model discloses a channel configuring method for the multicasting system and a program flow broadcasting method. The configuring method comprises 1. Based on different program flow rates, configuring the time-slot structure of the physical channels in the multicasting system; 2. According to different program flow rates, the relevant physical channels are bond to set up the logic channels which support different program flow rates. Also, the channel parameters are arranged for each logic channel; 3. The logic channels are divided into groups to constitute different broadcasting domains and one physical channel only belongs to one logic channel in the same broadcasting domain; 4. The broadcasting domains are respectively arranged with the sectors and one sector only pertains to one broadcasting domain. The utility model guarantees the diversity of the broadcasting service in the multicasting system and conveniently achieves the launch and soft integration of the broadcasting program.
Description
Technical field
The present invention relates to a kind of collocation method of channel and the broadcasting method of program stream, relate in particular to a kind of BCMCS (Broadcast-Multicast System, the broadcast/multicast system) collocation method of channel and the broadcasting method of program stream.
Background technology
In the last few years, mobile communcations systems such as CDMA have obtained fast development all over the world, people not only can realize basic speech communication function by mobile communcations system, can also watch smooth streaming media service by portable terminal, carry out video request program, game on line, VoIP etc., enriched people's life greatly.But along with being on the increase of user, the corresponding interface-free resources of mobile communcations system is very limited, there is the phase mutual interference between the user who is on the increase, and, increasing of user increase along with disturbing constantly, finally may cause the user who increases newly to insert, also just can't enjoy the colourful business of CDMA.For addressing this problem, the BCMCS business is arisen at the historic moment, and promptly cooks up certain forward channel time slot and carries out broadcasting multicast service, and different users receives identical packet.Because the packet of sending out on these time slots adopts special coding and data check mode, do not need inverse response to proofread and correct, therefore professional for BCMCS, can unrestrictedly insert the user in theory.But system can be multiplexing physical channel very limited, only support 16 at present, maximum is only broadcasting 16 programs, thereby can't satisfy people far away for the multifarious requirement of business.
The important characteristic of BCMCS is wanted can realize the broadcasting initiation easily and carry out soft merging exactly.On identical forward channel time slot, play identical content when two adjacent sectors,, can directly carry out " adding up " to the signal of two sectors, the soft merging of Here it is sector portable terminal.Can strengthen the signal strength signal intensity of portable terminal greatly by soft merging, strengthen the covering power of sector, increase power system capacity simultaneously.Existing channel arrangement method is direct configuration logic channel and physical channel, be difficult to guarantee that adjacent sectors has identical structure of time slot, in case and configuration error can cause portable terminal that two nonsynchronous program streams are merged during soft merging, thereby cause occurring the mess code phenomenon.Simultaneously, merely logic channel and physical channel are managed, also can't realize the broadcasting initiation easily, be unfavorable for very much operation and maintenance.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of collocation method and a kind of broadcasting method that uses the BCMCS program stream of convenient realization program stream broadcasting initiation of described channel configuration and soft union operation that can fully satisfy the BCMCS channel of BCMCS broadcasting service diversity requirement.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of collocation method of broadcast/multicast system channel may further comprise the steps:
1.1 structure of time slot according to physical channel in the different described broadcast/multicast systems of program stream rate configuration;
Support the logic channel of different program streams speed 1.2 bind the physical channel relevant respectively with composition, and dispose the channel parameter of described each logic channel with described each program stream speed according to different program stream speed;
1.3 described logic channel is divided into groups constituting different broadcast domains, and make that a physical channel only belongs to a logic channel in the same broadcast domain;
1.4 be respectively described each broadcast domain configuration sector, and make a sector only belong to a broadcast domain.
A kind of broadcasting method of broadcast/multicast system program stream may further comprise the steps:
2.1 structure of time slot according to physical channel in the different described broadcast/multicast systems of program stream rate configuration;
Support the logic channel of different program streams speed 2.2 bind the physical channel relevant respectively with composition, and dispose the channel parameter of described each logic channel with described each program stream speed according to different program stream speed;
2.3 described logic channel is divided into groups constituting different broadcast domains, and make that a physical channel only belongs to a logic channel in the same broadcast domain;
2.4 be respectively described each broadcast domain configuration sector, and make a sector only belong to a broadcast domain;
2.5 obtain whole broadcast domains of program stream to be broadcast, program stream and corresponding speed thereof to be broadcast;
2.6 obtain satisfying in each broadcast domain of described program stream to be broadcast the set of the logic channel of described program stream rate requirement to be broadcast respectively;
2.7 read the information of the sector of each broadcast domain that has disposed described program stream to be broadcast respectively;
Whether carried out described broadcasting 2.8 judge each logic channel in the set of described each logic channel of each sector correspondence in each broadcast domain of described program stream to be broadcast respectively, and each broadcast domain of described program stream to be broadcast has been carried out the operation of step 2.9 respectively;
2.9 if there is the logic channel of the broadcasting carried out described program stream to be broadcast in the broadcast domain of described program stream to be broadcast, then expansion broadcasting makes the whole sectors that dispose in the broadcast domain of described program stream to be broadcast all carry out described broadcasting; Otherwise, judge in the set of logic channel of broadcast domain correspondence of described program stream to be broadcast and whether have idle logic channel, if exist, then on idle under the broadcast domain of program stream to be broadcast and logic channel that speed is minimum, broadcasting is initiated in whole sectors, if do not exist, then return the program stream set that each logic channel is play in the set of described logic channel.
According to one preferred embodiment of the present invention, an arbitrarily sector of having initiated to broadcast if each other adjacent carrier frequency, each other same frequency, be configured in the same program stream that is of same broadcast domain and current broadcast, then described any sector can softly merge.
Another preferred embodiment according to the present invention, the described expansion broadcasting of step 2.9 may further comprise the steps:
4.1 read the information of the logic channel that has carried out described program stream to be broadcast broadcasting;
4.2 in whole sectors of the broadcast domain of described program stream to be broadcast, carry out the setting of described program stream to be broadcast;
4.3 the broadcasting of described program stream to be broadcast is expanded in described whole sector.
The preferred embodiment again according to the present invention, the described initiation broadcasting of step 2.9 may further comprise the steps:
5.1 choose speed is minimum in the set of logic channel of described free time logic channel as broadcast logical channel;
5.2 the described broadcast logical channel of whole sectors correspondence of the broadcast domain of described program stream to be broadcast is carried out the setting of described program stream to be broadcast;
5.3 on described broadcast logical channel, initiation is broadcasted in described whole sectors.
Beneficial effect of the present invention mainly shows: technical scheme provided by the invention makes up broadcast domain by the configuration to channel, between the different broadcast domains, its physical channel and logic channel are independently, also be between the different broadcast domain, its physical channel is fully can be multiplexing, can realize the fully multiplexing of physical channel if dispose different broadcast domains between the different sectors, promptly can satisfy the diversity requirement of BCMCS broadcasting service; Simultaneously, the whole sector configuration in the identical broadcasts territory identical logic channel and physical channel, therefore promptly identical structure of time slot can be realized initiation and soft merging to broadcast program easily.
Description of drawings
Fig. 1 is the flow chart of channel arrangement method of the present invention;
Fig. 2 is the flow chart of program stream broadcasting method one embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described.
As shown in Figure 1, a kind of collocation method of broadcast/multicast system channel comprises:
Step 101: according to the structure of time slot of physical channel in the different described broadcast/multicast systems of program stream rate configuration
Step 102: bind the physical channel relevant respectively according to different program stream speed and support the logic channel of different program streams speed, and dispose the channel parameter of described each logic channel with formation with described each program stream speed;
Step 103: described logic channel is divided into groups constituting different broadcast domains, and make that a physical channel only belongs to a logic channel in the same broadcast domain;
Step 104: be respectively described each broadcast domain configuration sector, and make a sector only belong to a broadcast domain.
The collocation method of described channel carries out at physical channel on the basis of multiplexing grouping, according to different applicable cases, makes up the logic channel of supporting different rates, then different logic channels is divided into groups to constitute different broadcast domains again.In same broadcast domain, a physical channel can only belong to a logic channel, and between the different broadcast domains, its physical channel and logic channel are independently, also is that its physical channel is fully can be multiplexing between the different broadcast domain.When the user disposed, a sector can only belong to a broadcast domain, if thereby dispose different broadcast domains between the different sector and can realize the fully multiplexing of physical channel, also just can realize the diversity of broadcast program.
After method makes up broadcast domain as shown in Figure 1, can in broadcast domain, repeatedly carry out the broadcasting and the soft union operation of program stream.The operation that the broadcast domain that utilizes flow process shown in Figure 1 to make up in a broadcast domain carries out the broadcasting of program stream and soft merging as shown in Figure 2, its step comprises:
Step 201: obtain and wait the broadcast domain of initiating to broadcast, the program stream that will broadcast and corresponding speed thereof;
Step 202: judge whether each logic channel speed satisfies the appointed program rate requirement under the described broadcast domain.After each logic channel corresponding physical channel was selected, its supported maximum application layer speed was also just decided, and this logic channel can only support to be lower than the application stream business of this maximum rate;
Step 203: the logical channel set that obtains satisfying under the described broadcast domain program stream speed to be broadcast;
Step 204: read all sector auxiliary information of the described broadcast domain of configuration, promptly determine the scope of broadcasting;
Step 205: judge whether each logic channel in the described logical channel set of described each sector correspondence has carried out described broadcasting.Under the broadcast domain a plurality of logic channels are arranged, playing different programs on each logic channel of different time, therefore, must judge earlier that whether described program stream is in broadcasting when initiating certain program stream broadcasting;
Step 206:, judge whether idle logic channel if described each logic channel does not all carry out the broadcasting of described program stream.The reason of carrying out the logic channel idle determination is that logic channel may be at the program of playing other at this moment;
Step 207:, choose the minimum logic channel of speed as broadcast logical channel if there is idle logic channel.Each logic channel under the same broadcast domain, when the planning broadcast domain, the flow rate meeting difference of being supported between the different logic channels is very big, is to save interface-free resources, chooses the logic channel of the minimum speed limit that satisfies rate requirement;
Step 208: the described broadcast logical channel to whole sectors correspondence of configuration under the described broadcast domain is carried out the program stream setting;
Step 209: initiation is broadcasted in the whole sectors under the described broadcast domain on described broadcast logical channel;
Step 210: if the judged result of step 206, is then returned the program stream set of playing on described each logic channel for there not to be available logic channel.The information of returning will be reflected on the Operation and Maintenance platform, and operating personnel can determine whether needs discharge some broadcasting stream earlier to carry out new broadcasting according to the stream information that returns;
Step 211: if the judged result of step 205 is for existing the logic channel that has carried out described program stream broadcasting, then read the information of the logic channel that carries out described program stream broadcasting.If described program stream is broadcasted in certain sector of described broadcast domain, then the relevant terrestrial links of described broadcasting generate, need not to initiate again the broadcasting of described program stream, other relevant sectors that only needs described program stream to be applied to described broadcast domain gets final product again;
Step 212: carry out the setting of this program stream in the whole sectors under described broadcast domain;
Step 213: existing described broadcasting is expanded in whole sectors under the described broadcast domain;
If need in a plurality of broadcast domains, to carry out the broadcasting of program stream simultaneously, then the sector in each broadcast domain is carried out the judgement of step 205 respectively, and in each broadcast domain, carry out the operation of step 206 respectively to step 213 according to the result who judges.
Step 214: judge and to have initiated any sector of broadcasting, whether satisfy following condition simultaneously: each other adjacent carrier frequency, each other same frequency, be configured in same broadcast domain and present same program stream and playing, if each condition all satisfies, then notify portable terminal to carry out soft merging to the sector that satisfies condition.
Claims (5)
1, a kind of collocation method of broadcast/multicast system channel is characterized in that may further comprise the steps:
1.1 structure of time slot according to physical channel in the different described broadcast/multicast systems of program stream rate configuration;
Support the logic channel of different program streams speed 1.2 bind the physical channel relevant respectively with composition, and dispose the channel parameter of described each logic channel with described each program stream speed according to different program stream speed;
1.3 described logic channel is divided into groups constituting different broadcast domains, and make that a physical channel only belongs to a logic channel in the same broadcast domain;
1.4 be respectively described each broadcast domain configuration sector, and make a sector only belong to a broadcast domain.
2, a kind of broadcasting method of broadcast/multicast system program stream is characterized in that may further comprise the steps:
2.1 structure of time slot according to physical channel in the different described broadcast/multicast systems of program stream rate configuration;
Support the logic channel of different program streams speed 2.2 bind the physical channel relevant respectively with composition, and dispose the channel parameter of described each logic channel with described each program stream speed according to different program stream speed;
2.3 described logic channel is divided into groups constituting different broadcast domains, and make that a physical channel only belongs to a logic channel in the same broadcast domain;
2.4 be respectively described each broadcast domain configuration sector, and make a sector only belong to a broadcast domain;
2.5 obtain whole broadcast domains of program stream to be broadcast, program stream and corresponding speed thereof to be broadcast;
2.6 obtain satisfying in each broadcast domain of described program stream to be broadcast the set of the logic channel of described program stream rate requirement to be broadcast respectively;
2.7 read the information of the sector of each broadcast domain that has disposed described program stream to be broadcast respectively;
Whether carried out described broadcasting 2.8 judge each logic channel in the set of described each logic channel of each sector correspondence in the broadcast domain of described each program stream to be broadcast respectively, and each broadcast domain of described program stream to be broadcast has been carried out the operation of step 2.9 respectively;
2.9 if there is the logic channel of the broadcasting carried out described program stream to be broadcast in the broadcast domain of described program stream to be broadcast, then expansion broadcasting makes the whole sectors that dispose in the broadcast domain of described program stream to be broadcast all carry out described broadcasting; Otherwise, judge in the set of logic channel of broadcast domain correspondence of described program stream to be broadcast and whether have idle logic channel, if exist, then on idle under the broadcast domain of program stream to be broadcast and logic channel that speed is minimum, broadcasting is initiated in whole sectors, if do not exist, then return the program stream set that each logic channel is play in the set of described logic channel.
3, the broadcasting method of broadcast/multicast system program stream as claimed in claim 2, it is characterized in that: an arbitrarily sector of having initiated to broadcast if each other adjacent carrier frequency, each other same frequency, be configured in the same program stream that is of same broadcast domain and current broadcast, then described any sector can softly merge.
4,, it is characterized in that the described expansion broadcasting of step 2.9 may further comprise the steps as the broadcasting method of claim 2 or 3 described broadcast/multicast system program streams:
4.1 read the information of the logic channel that has carried out described program stream to be broadcast broadcasting;
4.2 in whole sectors of the broadcast domain of described program stream to be broadcast, carry out the setting of described program stream to be broadcast;
4.3 the broadcasting of described program stream to be broadcast is expanded in described whole sector.
5,, it is characterized in that the described initiation broadcasting of step 2.9 may further comprise the steps as the broadcasting method of claim 2 or 3 described broadcast/multicast system program streams:
5.1 choose speed is minimum in the set of logic channel of described free time logic channel as broadcast logical channel;
5.2 the described broadcast logical channel of whole sectors correspondence of the broadcast domain of described program stream to be broadcast is carried out the setting of described program stream to be broadcast;
5.3 on described broadcast logical channel, initiation is broadcasted in described whole sectors.
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| CN200610157834A CN100583775C (en) | 2006-12-21 | 2006-12-21 | Method of configuring broadcast multicast system channel and broadcasting program stream |
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| CN200610157834A CN100583775C (en) | 2006-12-21 | 2006-12-21 | Method of configuring broadcast multicast system channel and broadcasting program stream |
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| CN102761835A (en) * | 2012-07-06 | 2012-10-31 | 中兴通讯股份有限公司 | Method and device for transmitting broadcast overhead message |
| WO2015070455A1 (en) * | 2013-11-18 | 2015-05-21 | 华为技术有限公司 | Adaptive multiple rate coding rate adjusting method and device |
| CN114125723B (en) * | 2020-08-27 | 2023-05-09 | 中国移动通信有限公司研究院 | Method, terminal and network side equipment for realizing broadcast multicast service |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050271027A1 (en) * | 2004-06-03 | 2005-12-08 | Samsung Electronics Co., Ltd. | Apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing |
| CN1734979A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Multicast service subline data transmission method and device |
| CN1866782A (en) * | 2005-05-18 | 2006-11-22 | 华为技术有限公司 | Method for realizing system broadcast multicast service |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050271027A1 (en) * | 2004-06-03 | 2005-12-08 | Samsung Electronics Co., Ltd. | Apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing |
| CN1734979A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Multicast service subline data transmission method and device |
| CN1866782A (en) * | 2005-05-18 | 2006-11-22 | 华为技术有限公司 | Method for realizing system broadcast multicast service |
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