CN113015181B - Service transmission method, device and related equipment - Google Patents
Service transmission method, device and related equipment Download PDFInfo
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- CN113015181B CN113015181B CN201911324652.XA CN201911324652A CN113015181B CN 113015181 B CN113015181 B CN 113015181B CN 201911324652 A CN201911324652 A CN 201911324652A CN 113015181 B CN113015181 B CN 113015181B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Abstract
The invention provides a service transmission method, a device and related equipment, wherein the method comprises the following steps: collecting service data to obtain at least two service data; arranging the at least two service data according to the sequence of the priority from high to low; and sending the programmed service data to a CDR exciter. The embodiment of the invention can improve the transmission efficiency of the CDR transmission link and effectively reduce the time delay of the CDR transmission link.
Description
Technical Field
The present invention relates to the technical field of Converged Digital Radio (CDR), and in particular, to a service transmission method, apparatus, and related device.
Background
The CDR may also be called as fm band digital audio broadcasting, and is mainly a transmission scheme for fm band digital audio broadcasting, so that more audio programs and digital services can be transmitted at the frequency points of the original analog fm broadcasting, and thus, the CDR is popular with a wide range of users.
In an existing CDR transmission mode, a CDR multiplexer generally sends collected service data one to a CDR exciter according to a time sequence, and the CDR exciter receives the service data, processes the service data to generate a CDR signal, and broadcasts and covers the generated CDR signal. Thus, if the CDR system has more services, the CDR transmission link has a longer delay, which results in a higher delay requirement or a higher influence on more sensitive data services.
Disclosure of Invention
The embodiment of the invention provides a service transmission method, a service transmission device and related equipment, and aims to solve the problem of large time delay of a CDR transmission link.
In a first aspect, an embodiment of the present invention provides a service transmission method, which is applied to a CDR multiplexer, where the method includes:
collecting service data to obtain at least two service data;
arranging the at least two service data according to the sequence of the priority from high to low;
and sending the programmed service data to a CDR exciter.
In a second aspect, an embodiment of the present invention further provides a service transmission method, which is applied to a CDR exciter, where the method includes:
receiving service transmission information sent by a CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
modulating multiplexing service data in a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
and transmitting the CDR signals.
In a third aspect, an embodiment of the present invention further provides a service transmission apparatus, which is applied to a CDR multiplexer, where the apparatus includes:
The collecting device is used for collecting the business data and obtaining at least two business data;
the arranging device is used for arranging the at least two service data according to the sequence of the priority from high to low;
and the first sending device is used for sending the arranged service data to the CDR exciter.
In a fourth aspect, an embodiment of the present invention further provides a service transmission apparatus, which is applied to a CDR exciter, where the apparatus includes:
receiving means, configured to receive service transmission information sent by the CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
the modulation device is used for modulating the multiplexing service data in a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
and the second sending device is used for transmitting the CDR signal.
In a fifth aspect, an embodiment of the present invention further provides a CDR multiplexer, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the above CDR multiplexer-side service transmission method.
In a sixth aspect, an embodiment of the present invention further provides a CDR exciter, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the above-mentioned CDR exciter-side traffic transmission method.
In the embodiment of the invention, at least two collected service data are arranged from high to low in priority by a CDR multiplexer; and modulating the arranged service data in a time-frequency two-dimensional interleaving period of the CDR exciter through the CDR exciter to generate a CDR signal, and transmitting the CDR signal. Therefore, the service data are arranged according to the sequence of the priority from high to low, and the arranged service data are multiplexed and transmitted, so that the transmission efficiency of the CDR transmission link can be improved, and the time delay of the CDR transmission link can be effectively reduced; moreover, high-priority service data can be transmitted preferentially, and the influence on data services with higher or more sensitive delay requirements is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a flowchart of a CDR multiplexer side service transmission method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of alignment of time period and time-frequency two-dimensional interleaving period of a CDR multiplexer;
fig. 3 is a flowchart of a CDR exciter side service transmission method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of service transmission in the embodiment of the present invention;
fig. 5 is one of the structural diagrams of a service transmission apparatus provided in the embodiment of the present invention;
fig. 6 is a second structural diagram of a service transmission apparatus according to an embodiment of the present invention;
FIG. 7 is a block diagram of a CDR multiplexer according to an embodiment of the present invention;
FIG. 8 is a block diagram of a CDR exciter provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First, a service transmission method provided in an embodiment of the present invention is explained.
It should be noted that the service transmission method provided by the embodiment of the present invention may be applied to a CDR system. The CDR system can comprise a CDR multiplexer, a CDR exciter and a CDR receiving terminal, and is used for transmitting the service data collected by the CDR multiplexer to the CDR receiving terminal after being processed by the CDR exciter, so that the purposes of improving the transmission efficiency of a CDR transmission link and reducing the time delay of the CDR transmission link are achieved.
The CDR transmission link may be understood as a transmission link of traffic data, and specifically may be a CDR multiplexer- > CDR exciter- > CDR receiving terminal. The delay of the CDR transmission link can be understood as the time consumed by the traffic data collected from the CDR multiplexer to get transmitted to the CDR receiving terminal.
Referring to fig. 1, fig. 1 is a flowchart of a CDR multiplexer side service transmission method provided by an embodiment of the present invention, which is applied to a CDR multiplexer, as shown in fig. 1, and includes the following steps:
and 103, sending the edited service data to a CDR exciter.
In step 101, the service data may include an audio service, a data service, and the like. The data service may include a beidou foundation enhanced data service and the like.
The CDR multiplexer may preset time periods, start collecting traffic data at the arrival of each time period, and submit the collected traffic data to the CDR exciter at the end of each time period. In order to multiplex the collected traffic data, the time period of the CDR multiplexer cannot be set to be relatively small, so that at least two pieces of traffic data can be collected and obtained in the time period.
In addition, the setting of the time period may be performed by referring to a time-frequency two-dimensional interleaving period of the CDR exciter, and the specific setting will be described in detail later. For example, to counter the influence of propagation characteristics such as multipath fading on the receiving effect, the CDR exciter introduces the concept of time-frequency two-dimensional interleaving in the channel standard (e.g. GY/T268.1-2013 fm frequency band digital audio broadcasting part 1: digital broadcasting channel frame structure, channel coding and modulation), wherein the time-frequency two-dimensional interleaving period is 640 ms.
In step 102, the priority of each service data may be preset based on the requirement of the service data for transmission delay.
For example, compared with other service data, the data service has a higher requirement on transmission delay and is more sensitive to transmission delay, so that the priority of the data service is set to be higher than that of the audio service, and if the data service and the audio service are collected simultaneously in a time period, the data service is arranged in front of the audio service.
Then, before submitting the at least two service data to the CDR exciter, the CDR multiplexer arranges the at least two service data in order of priority from high to low according to a preset priority of each service data to obtain the at least two service data arranged in order of priority from high to low.
In step 103, the choreographed traffic data is sent to the CDR exciter.
The transmission process of the service data in the CDR multiplexer may be referred to as a first transmission process, and in this transmission process, the transmission link delay may only include the interface delay time in the scheduled service data transmission process, or may simultaneously include the interface delay time in the scheduled service data transmission process and a time period for collecting the service data.
That is, in an application scenario, if the collection time of the CDR multiplexer service data is before the end of the time period, the CDR multiplexer may submit the service data to the CDR exciter directly at the end of the time period, so that the delay of the transmission link only includes the interface delay time in the transmission process of the arranged service data. In another application scenario, if the collection time of the CDR multiplexer service data is after the time period is over, the service data needs to wait for a time period and then submit the service data to the CDR exciter, so that the delay of the transmission link includes both the interface delay time in the transmission process of the scheduled service data and a time period for collecting the service data.
In the transmission process, the delay of the transmission link only comprises one interface delay time, so that at least one interface delay time in the service data transmission process can be reduced compared with the prior art that collected service data are transmitted to the CDR exciter one time.
In this embodiment, the CDR multiplexer acquires at least two service data by collecting the service data; arranging the at least two service data according to the sequence of the priority from high to low; and sending the programmed service data to a CDR exciter. Therefore, the CDR multiplexer arranges the service data according to the sequence of the priority from high to low and multiplexes the arranged service data for transmission, thereby improving the transmission efficiency of the CDR transmission link and effectively reducing the time delay of the CDR transmission link.
In addition, if more service data are collected in a time period, for example, 10 service data are obtained, and the collection time of the data service is after the audio service is transmitted to the CDR exciter, the service data can be transmitted over a plurality of time-frequency two-dimensional interleaving periods, which results in a larger impact on the data service with higher delay requirement or more sensitivity. Therefore, by arranging the service data in the order of the priority from high to low, the data service with high priority can be modulated and transmitted preferentially in the transmission process of the subsequent CDR exciter, thereby reducing the influence of the data service with higher or more sensitive delay requirements. For the low-priority service data, even if the modulation and transmission need to wait for a plurality of time-frequency two-dimensional interleaving periods, the delay requirement for the transmission link is not very high, so the low-priority service data can be received with the delay of the transmission link.
Further, if the CDR exciter receives the service data, the previous time-frequency two-dimensional interleaving period is not yet finished, the service data needs to wait for the next time-frequency two-dimensional interleaving period of the CDR exciter to perform modulation, and the time from the time when the CDR exciter receives the service data to the start time of the next time-frequency two-dimensional interleaving period is the time when the service data waits for modulation at the CDR exciter.
Optionally, in order to reduce the time for the service data to wait for modulation at the CDR exciter, so as to further reduce the delay of the transmission link, step 103 specifically includes:
sending the choreographed business data to the CDR exciter at a target time; wherein the target time corresponds to a start time of a time-frequency two-dimensional interleaving period of the CDR exciter.
The target time is the end time of the time period in which the CDR multiplexer collects the service data, that is, the CDR multiplexer transmits the choreographed service data to the CDR exciter at the end time of the time period. Specifically, referring to fig. 2, fig. 2 is a schematic diagram illustrating alignment between a time period and a time-frequency two-dimensional interleaving period of a CDR multiplexer, as shown in fig. 2, the time period of the CDR multiplexer is set with reference to the time-frequency two-dimensional interleaving period of a CDR exciter, and a difference between the time-frequency two-dimensional interleaving period and an interface delay time of the CDR exciter is set as the time period of the CDR multiplexer in consideration of interface delay time in transmission of service data, i.e., multiplexed data streams, after being scheduled.
Wherein a start time of the time period of the CDR multiplexer is aligned with a start time of a time-frequency two-dimensional interleaving period of a CDR exciter.
Preferably, the target time is obtained by subtracting the interface delay time in the scheduled service data transmission process from the start time, and therefore, the target time and the start time of the time-frequency two-dimensional interleaving period of the CDR exciter correspond to each other as follows: the sum of the target time and the interface delay time, namely the receiving time of the multiplexing data stream, is aligned with the starting time of the time-frequency two-dimensional interleaving period of the CDR exciter.
In this way, the CDR exciter modulates the multiplexed data stream directly within the time-frequency two-dimensional interleaving period after receiving the multiplexed data stream to generate and transmit the CDR signal.
The transmission process of the service data at the CDR exciter may be referred to as a second transmission process, and in this transmission process, the delay of the transmission link may include a processing time of the CDR exciter on the service data, i.e., an audio-frequency two-dimensional interleaving period, and a transmission time of the CDR exciter transmitting the CDR signal to the CDR receiving terminal. Compared with the prior art, the time period of the CDR multiplexer is aligned with the time-frequency two-dimensional interleaving period of the CDR exciter, so that the waiting time of the multiplexed data stream can be reduced, and the time delay of a transmission link is further reduced.
Optionally, based on the embodiment shown in fig. 2, before sending the choreographed service data to the CDR exciter at the target time, the method further includes:
receiving first alignment information transmitted by the CDR exciter, wherein the first alignment information comprises the starting time; alternatively, the first and second electrodes may be,
and acquiring pre-configured second alignment information, wherein the second alignment information comprises the starting time.
That is to say, there may be two ways to obtain the start time of the time-frequency two-dimensional interleaving period, the first way is: receiving, by interacting with a CDR exciter, a first alignment time transmitted by the CDR exciter. Specifically, firstly, clocks of the CDR multiplexer and the CDR exciter are synchronized by a Global Positioning System (GPS) timing device, and then, before traffic data transmission, the CDR multiplexer interacts with the CDR exciter to receive a first alignment time sent by the CDR exciter.
The second way is: and pre-configuring second alignment information on the CDR multiplexer in a pre-configuration mode, and correspondingly acquiring the pre-configured second alignment information.
Referring to fig. 3, fig. 3 is a flowchart of a CDR exciter side traffic transmission method provided by an embodiment of the present invention, which is applied to a CDR exciter, as shown in fig. 3, and includes the following steps:
In step 301, the CDR exciter receives the service transmission information sent by the CDR multiplexer and buffers the service transmission information. The service transmission information is the service data arranged by the CDR multiplexer in the above embodiment.
In step 302, as known from the channel standard, for example, 268.1, the CDR exciter may have multiple modulation modes, for example, a subframe allocation mode may be used to modulate the multiplexed service data, and the like, which will be described later in detail.
If the time for receiving the service transmission information sent by the CDR multiplexer by the CDR exciter is just at the start time of the time-frequency two-dimensional interleaving period, that is, the service transmission information sent by the CDR multiplexer at the target time, the CDR exciter may perform a series of processing such as buffering and modulation based on the time-frequency two-dimensional interleaving period to generate a CDR signal, and transmit the CDR signal to the CDR receiving terminal.
In this application scenario, the delay of the transmission link in the second transmission process only includes the processing time of the CDR exciter on the service data, i.e., the time-frequency two-dimensional interleaving period, and the transmission time of the CDR exciter transmitting the CDR signal to the CDR receiving terminal.
Of course, if the time that the CDR exciter receives the service transmission information sent by the CDR multiplexer is not the start time of the time-frequency two-dimensional interleaving period, the CDR exciter buffers the service transmission information and waits for the start time of the time-frequency two-dimensional interleaving period of the CDR exciter to arrive. When the starting time of the time-frequency two-dimensional interleaving period arrives, a series of processing such as modulation is carried out on the service transmission information to generate a CDR signal, and the CDR signal is transmitted to a CDR receiving terminal.
In this application scenario, the delay of the transmission link in the second transmission process not only includes the processing time of the CDR exciter to the service data, i.e., the time-frequency two-dimensional interleaving period, and the transmission time of the CDR exciter transmitting the CDR signal to the CDR receiving terminal, but also includes the buffering time of the service transmission information and the time of waiting for processing the service transmission information.
In addition, if the service data in the service transmission information is more and the CDR exciter needs to be transmitted in a plurality of time-frequency two-dimensional interleaving periods, the multiplex service data is preferentially modulated to generate the CDR signal; wherein the multiplexing service data includes N service data arranged at the top in the service transmission information. And the service data arranged in the service transmission information at the front is the service data with higher priority, so that the service data with high priority can be modulated and transmitted preferentially, and the delay of the transmission link of the service data with high priority is effectively reduced.
In step 303, the CDR signal is transmitted, specifically, the CDR signal is transmitted to a CDR receiving terminal.
Correspondingly, the CDR receiving terminal demodulates and demultiplexes the CDR signal to obtain various service data arranged from high to low according to the priority, so that the transmission of the service data is completed.
The transmission process of the service data at the CDR receiving terminal may be referred to as a third transmission process, and because the CDR exciter and the CDR receiving terminal are synchronized, the modulation process of the service data by the CDR exciter and the demodulation and demultiplexing process of the CDR receiving terminal are performed synchronously, that is, the delay of the transmission link in the transmission process is already counted into the delay of the transmission link in the second transmission process.
Finally, the delay of the transmission link of the service data includes the delay of the transmission link in the first transmission process and the delay of the transmission link in the second transmission process.
Optionally, based on the embodiment shown in fig. 3, the step 302 specifically includes:
modulating each service data in the multiplexing service data to the same logic frame in a superframe in a time-frequency two-dimensional interleaving period of the CDR exciter;
and determining a signal corresponding to the logical frame as the CDR signal.
Specifically, the CDR exciter modulates the multiplex service data in a subframe allocation manner one, and four logical frames in each super frame are not associated with each other in the subframe allocation manner one, so that each logical frame can be obtained by complete analysis after complete time-frequency two-dimensional interleaving period transmission. Therefore, under the configuration condition of using the first subframe allocation mode, all the service data with high priority can be analyzed in one time-frequency two-dimensional interleaving period. Compared with other subframe allocation modes, the subframe allocation mode I can minimize the delay of a transmission link of service data.
It should be noted that, various optional implementations described in the embodiment of the present invention may be implemented in combination with each other or separately, and the embodiment of the present invention is not limited to this.
For better understanding of the whole process, please refer to fig. 4, where fig. 4 is a schematic diagram of service transmission in the embodiment of the present invention.
As shown in fig. 4, the time period of the CDR multiplexer is aligned with the start time of the time-frequency two-dimensional interleaving period of the CDR exciter, and considering the interface delay time in the transmission process of the scheduled service data, i.e., the multiplexed data stream, the submission time, i.e., the target time of the scheduled service data, by the CDR multiplexer may be the start time minus the interface delay time of the time-frequency two-dimensional interleaving period. Based on the channel standard 268.1, the time-frequency two-dimensional interleaving period is 640 ms.
First, the CDR multiplexer collects traffic data over a time period to obtain at least two traffic data.
Then, the CDR multiplexer arranges the at least two service data in order of priority from high to low before the commit time.
The choreographed business data is then sent to the CDR exciter at the commit time.
And then, the CDR exciter receives service transmission information sent by the CDR multiplexer, and the service transmission information is the arranged service data.
Then, in a time-frequency two-dimensional interleaving period of the CDR exciter, modulating each service data in the multiplexing service data into the same logic frame in a superframe based on a first subframe distribution mode; the multiplexing service data includes N service data arranged at the top in the service transmission information, where N is a positive integer.
Then, the logical frame generated by modulation is transmitted to the CDR receiving terminal.
Meanwhile, the CDR receiving terminal demodulates the logical frame to obtain logical subframes of different service data, and demultiplexes the logical frame to obtain service data arranged from high to low according to priority.
At this point, the service data transmission is completed. After the service data is transmitted through the above process, the delay of the CDR transmission link of the service data theoretically only includes one or two time-frequency two-dimensional interleaving periods, interface delay time, CDR signal transmission time, and the like, and theoretically can be 940ms to 1580 ms. Compared with the actual measurement delay of the current transmitting tower (the delay is usually 8s to 9s), the delay of the transmission link is greatly reduced.
The following describes a service transmission apparatus provided in an embodiment of the present invention.
Referring to fig. 5, fig. 5 is a structural diagram of a service transmission apparatus according to an embodiment of the present invention, and is applied to a CDR multiplexer, and can implement details of the service transmission method at the CDR multiplexer side, and achieve the same effect. As shown in fig. 5, the traffic transmission apparatus 500 includes:
a collecting device 501, configured to collect service data to obtain at least two service data;
arranging means 502 for arranging the at least two service data in order of priority from high to low;
first sending means 503, configured to send the choreographed service data to the CDR exciter.
Optionally, the first sending device 503 is specifically configured to send the choreographed service data to the CDR exciter at a target time; wherein the target time corresponds to a start time of a time-frequency two-dimensional interleaving period of the CDR exciter.
Optionally, before sending the choreographed service data to the CDR exciter at the target time, the method further includes:
receiving first alignment information transmitted by the CDR exciter, wherein the first alignment information comprises the starting time; alternatively, the first and second electrodes may be,
And acquiring pre-configured second alignment information, wherein the second alignment information comprises the starting time.
Optionally, the target time is obtained by subtracting the interface delay time in the scheduled service data sending process from the starting time.
The service transmission apparatus 500 can implement each process implemented by the CDR multiplexer in the service transmission method embodiment on the CDR multiplexer side, and can achieve the same technical effect, and for avoiding repetition, details are not described here again.
Referring to fig. 6, fig. 6 is a second structural diagram of a service transmission apparatus according to an embodiment of the present invention, which is applied to a CDR exciter, and can implement details of the service transmission method at the CDR exciter side, and achieve the same effect. As shown in fig. 6, the traffic transmission apparatus 600 includes:
a receiving device 601, configured to receive service transmission information sent by the CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
a modulation device 602, configured to modulate multiplexing service data within a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
Second sending means 603, configured to transmit the CDR signal.
Optionally, the modulation device 602 is specifically configured to modulate each service data in the multiplexing service data into the same logical frame in a super frame in a time-frequency two-dimensional interleaving period of the CDR exciter; and determining a signal corresponding to the logical frame as the CDR signal.
The service transmission apparatus 600 can implement each process implemented by the CDR exciter in the service transmission method embodiment at the CDR exciter side, and can achieve the same technical effect, and for avoiding repetition, details are not described here again.
The CDR multiplexer provided in the embodiment of the present invention is explained below.
Referring to fig. 7, fig. 7 is a structural diagram of a CDR multiplexer according to an embodiment of the present invention, which can implement details of the service transmission method at the CDR multiplexer side and achieve the same effect. As shown in fig. 7, includes: a first processor 701, a first memory 702 and a computer program stored on the first memory 702 and executable on the first processor 701, the various components of the CDR multiplexer being coupled together by a first bus interface 703, the computer program when executed by the first processor 701 implementing the steps of:
Collecting service data to obtain at least two service data;
arranging the at least two service data according to the sequence of the priority from high to low;
and sending the programmed service data to a CDR exciter.
Optionally, the first processor 701 is specifically configured to:
sending the choreographed business data to the CDR exciter at a target time; wherein the target time corresponds to a start time of a time-frequency two-dimensional interleaving period of the CDR exciter.
Optionally, the first processor 701 is further configured to:
receiving first alignment information transmitted by the CDR exciter, wherein the first alignment information comprises the starting time; alternatively, the first and second electrodes may be,
and acquiring pre-configured second alignment information, wherein the second alignment information comprises the starting time.
Optionally, the target time is obtained by subtracting the interface delay time in the scheduled service data sending process from the starting time.
Preferably, an embodiment of the present invention further provides a CDR multiplexer, including a first processor, a first memory, and a computer program that is stored in the first memory and is executable on the first processor, where the computer program, when executed by the first processor, implements each process of the service transmission method according to any method embodiment of the CDR multiplexer side, and can achieve the same technical effect, and is not described herein again to avoid repetition.
Referring to fig. 8, fig. 8 is a structural diagram of a CDR exciter according to an embodiment of the present invention, which can implement details of the service transmission method at the side of the CDR exciter and achieve the same effect. As shown in fig. 8, includes: a second processor 801, a second memory 802 and a computer program stored on the second memory 802 and executable on the second processor 801, the various components of the CDR exciter being coupled together by a second bus interface 803, the computer program when executed by the second processor 801 implementing the steps of:
receiving service transmission information sent by a CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
modulating multiplexing service data in a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
and transmitting the CDR signals.
Optionally, the second processor 801 is specifically configured to:
modulating each service data in the multiplexing service data to the same logic frame in a superframe in a time-frequency two-dimensional interleaving period of the CDR exciter;
And determining a signal corresponding to the logical frame as the CDR signal.
Preferably, an embodiment of the present invention further provides a CDR exciter, including a second processor, a second memory, and a computer program that is stored in the second memory and can be run on the second processor, where the computer program, when executed by the second processor, implements each process of the service transmission method in any method embodiment of the CDR exciter side, and can achieve the same technical effect, and is not described herein again to avoid repetition.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the CDR multiplexer side service transmission method or implements each process of the CDR exciter side service transmission method, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A service transmission method applied to a converged digital broadcast CDR multiplexer, the method comprising:
collecting service data to obtain at least two service data;
arranging the at least two service data according to the sequence of the priority from high to low;
and sending the programmed service data to a CDR exciter.
2. The method of claim 1, wherein sending the choreographed traffic data to a CDR exciter comprises:
sending the choreographed business data to the CDR exciter at a target time; wherein the target time corresponds to a start time of a time-frequency two-dimensional interleaving period of the CDR exciter.
3. The method of claim 2, wherein prior to sending the choreographed traffic data to the CDR exciter at a target time, the method further comprises:
Receiving first alignment information transmitted by the CDR exciter, wherein the first alignment information comprises the starting time; alternatively, the first and second electrodes may be,
and acquiring pre-configured second alignment information, wherein the second alignment information comprises the starting time.
4. The method of claim 2, wherein the target time is obtained by subtracting interface delay time in the scheduled service data transmission process from the start time.
5. A service transmission method applied to a converged digital broadcast CDR exciter, the method comprising:
receiving service transmission information sent by a CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
modulating multiplexing service data in a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
and transmitting the CDR signals.
6. The method of claim 5, wherein modulating the multiplexed service data within the time-frequency two-dimensional interleaving period of the CDR exciter to generate CDR signals comprises:
Modulating each service data in the multiplexing service data to the same logic frame in a superframe in a time-frequency two-dimensional interleaving period of the CDR exciter;
and determining a signal corresponding to the logical frame as the CDR signal.
7. A service transmission apparatus for use in a converged digital broadcast CDR multiplexer, the apparatus comprising:
the collecting device is used for collecting the business data and obtaining at least two business data;
the arranging device is used for arranging the at least two service data according to the sequence of the priority from high to low;
and the first sending device is used for sending the arranged service data to the CDR exciter.
8. A service delivery apparatus for use in a converged digital broadcast CDR exciter, the apparatus comprising:
the receiving device is used for receiving the service transmission information sent by the CDR multiplexer; the service transmission information comprises at least two service data which are arranged in sequence from high priority to low priority;
the modulation device is used for modulating the multiplexing service data in a time-frequency two-dimensional interleaving period of the CDR exciter to generate a CDR signal; the multiplexing service data comprises N service data arranged at the front in the service transmission information, wherein N is a positive integer;
And the second sending device is used for transmitting the CDR signal.
9. A converged digital broadcast CDR multiplexer, comprising a first processor, a first memory and a computer program stored on and executable on the first memory, the computer program when executed by the first processor implementing the steps of the service transmission method of any one of claims 1 to 4.
10. A converged digital broadcast CDR exciter comprising a second processor, a second memory and a computer program stored on and executable on the second memory, the computer program when executed by the second processor implementing the steps of the service transmission method of any one of claims 5 to 6.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005338A (en) * | 2006-01-16 | 2007-07-25 | 华为技术有限公司 | Multiplexing method for broadcast multicast service data and de-multiplexing method |
| CN101188589A (en) * | 2006-11-15 | 2008-05-28 | 上海瑞高信息技术有限公司 | Synchronization adaptation method and device for broadcast data in satellite synchronization distribution network |
| WO2013023594A1 (en) * | 2011-08-17 | 2013-02-21 | 国家广播电影电视总局广播科学研究院 | Method and device for transmitting and receiving digital audio signal in digital audio broadcasting system |
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101306715B1 (en) * | 2007-02-09 | 2013-09-11 | 엘지전자 주식회사 | apparatus for receiving a broadcast signal and method for transmitting/receiving a broadcast signal |
-
2019
- 2019-12-20 CN CN201911324652.XA patent/CN113015181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005338A (en) * | 2006-01-16 | 2007-07-25 | 华为技术有限公司 | Multiplexing method for broadcast multicast service data and de-multiplexing method |
| CN101188589A (en) * | 2006-11-15 | 2008-05-28 | 上海瑞高信息技术有限公司 | Synchronization adaptation method and device for broadcast data in satellite synchronization distribution network |
| WO2013023594A1 (en) * | 2011-08-17 | 2013-02-21 | 国家广播电影电视总局广播科学研究院 | Method and device for transmitting and receiving digital audio signal in digital audio broadcasting system |
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
Non-Patent Citations (1)
| Title |
|---|
| 基于调频频段数字音频广播系统的非实时数据文件推送方案的设计与研究;盛国芳等;《调频覆盖及数字化》;20151231;全文 * |
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