CN110636489A - Wireless ad hoc network multimedia broadband transmission system - Google Patents
Wireless ad hoc network multimedia broadband transmission system Download PDFInfo
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- CN110636489A CN110636489A CN201910893510.9A CN201910893510A CN110636489A CN 110636489 A CN110636489 A CN 110636489A CN 201910893510 A CN201910893510 A CN 201910893510A CN 110636489 A CN110636489 A CN 110636489A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of broadband transmission systems, and discloses a wireless ad hoc network multimedia broadband transmission system which comprises a network layer protocol, a spectrum decision, spectrum migration, an application layer/end-to-end service quality management, a transmission layer protocol, spectrum sharing, a protocol module, a spectrum detection and a physical layer, wherein the network layer protocol data transmission is connected with the output ends of the spectrum decision, the spectrum migration and protocol module, and the application layer/end-to-end service quality management output end is connected with the spectrum decision and the spectrum migration. The wireless ad hoc network multimedia broadband transmission system can be used for bearing IP-based voice, video, data and other multimedia services by means of a private communication network constructed by self-adaption cooperation among ad hoc network equipment nodes, solves the problems that no public network resource is damaged at present, the public network resource is occupied and the public network resource can be used safely at will, and can timely transmit first emergency site video and voice lamp data back to a command center.
Description
Technical Field
The invention relates to the technical field of broadband transmission systems, in particular to a wireless ad hoc network multimedia broadband transmission system.
Background
With the rapid increase of the demand of information services, more and more users do not satisfy the basic voice services, the demand of broadband communication services such as data, characters, images, multimedia and the like is urgent, and many users require a communication network to be capable of conveniently and rapidly providing various high-speed data communication services. And the broadband service is to communicate mixed data of images, voice, data, video and the like. Various types of video multimedia broadband services are beginning to emerge. The multimedia broadband service is mainly applied to a Video On Demand system (Video On Demand), and the Video On Demand system mainly comprises a program provider, a server, a broadband access network (local side and user side), a transmission switching network, service management, charging management and user side equipment (Set Top Box).
The wireless ad hoc network multimedia broadband transmission system has the advantages that a private communication network cannot be built by self-adaption cooperation among ad hoc network equipment nodes without supporting any other communication infrastructure, cannot bear multimedia services such as voice, video and data based on IP, no public network resource is damaged at present, the public network resource cannot be used when occupied and is in a confidential reason, first emergency site video and voice lamp data cannot be timely transmitted back to a command center, only narrowband voice communication can be used in the field of emergency communication at present, and the use effect is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wireless ad hoc network multimedia broadband transmission system, which can not bear multimedia services such as voice, video, data and the like based on IP (Internet protocol) without supporting any other communication infrastructure and by means of a private communication network constructed by self-adaptive cooperation among ad hoc network equipment nodes, can not bear the problems that no public network resource is damaged, the public network resource can not be used when the public network resource is occupied and is in a confidential reason, the first emergency site video and voice lamp data can not be timely transmitted back to a command center, and only narrowband voice communication can be used in the field of emergency communication, and the use effect is poor.
In order to realize the purposes that the bearing has high assembly efficiency and higher stability in the assembly process, the bearing is not easy to deform in the assembly process, and further the joint degree of the inner ring of the bearing and the movable shaft is greatly improved, so that the radial external force applied to the movable shaft during rotation is reduced, the invention provides the following technical scheme: a wireless ad hoc network multimedia broadband transmission system comprises a network layer protocol, a spectrum decision, a spectrum migration, an application layer/end-to-end service quality management, a transmission layer protocol, a spectrum sharing module, a protocol module, a spectrum detection module and a physical layer, wherein the network layer protocol is connected with the output ends of the spectrum decision, the spectrum migration and the protocol module, the output end of the application layer/end-to-end service quality management is connected with the spectrum decision and the spectrum migration, the output end of the transmission layer protocol is connected with the spectrum decision and the spectrum migration, the spectrum sharing output end is connected with the spectrum decision and the protocol module, the output end of the protocol module is connected with the spectrum detection, the output end of the spectrum detection is connected with the physical layer, and the output end of the physical layer is connected with.
Preferably, the spectrum sharing includes a link layer protocol, and the spectrum sharing output terminal is cooperated with the spectrum decision and protocol module.
Preferably, the spectrum decision is delivered by application layer configuration and user quality of service and application layer/end-to-end quality of service management, the spectrum decision is delivered by transport layer reconfiguration and transport layer protocol, the spectrum decision is connected with spectrum sharing by MAC layer reconfiguration and spectrum selection, and the spectrum decision is bidirectionally delivered by physical layer reconfiguration and physical layer.
Preferably, the spectrum migration is connected with an application layer/end-to-end quality of service management through connection management, the spectrum migration is connected with a transport layer protocol through connection management, and the spectrum migration and the spectrum decision are connected in a bidirectional manner through a decision/reconfiguration request and connection restoration.
Preferably, the protocol module is cooperated with spectrum detection, and the protocol module shares bidirectional transmission with the spectrum.
Preferably, the spectrum detection and physical layer is transmitted in a spectrum observation bidirectional mode, the spectrum detection and physical layer is transmitted in a spectrum switching phase mode, and the spectrum detection is transmitted in a spectrum migration phase mode through the detection structure.
Preferably, the network layer protocol comprises a central control center, a cloud network and a security server, and the output end of the central control center is in bidirectional transmission with the output ends of the cloud network and the security server.
Compared with the prior art, the invention provides a wireless ad hoc network multimedia broadband transmission system, which has the following beneficial effects:
1. the wireless ad hoc network multimedia broadband transmission system can be used for building a private communication network by self-adaptive cooperation among ad hoc network equipment nodes through the cooperation of a network layer protocol, spectrum decision, spectrum migration, application layer/end-to-end service quality management, a transmission layer protocol and spectrum sharing, so that the wireless ad hoc network multimedia broadband transmission system can bear multimedia services such as voice, video, data and the like based on IP.
2. This wireless ad hoc network multi-media broadband transmission system uses through the cooperation of network layer agreement, central control center, high in the clouds network and secret server, has solved that no public network resource can not suffer destruction now, when the public network resource is occupied, can use public network resource that can reassure at will, can in time pass back first emergency scene video, voice lamp data to command center.
3. According to the wireless ad hoc network multimedia broadband transmission system, through frequency spectrum sharing cooperative spectrum decision, protocol module cooperative spectrum sharing and protocol module cooperative spectrum detection, the using effect of equipment is improved, and it is guaranteed that narrow-band voice communication can be used in the field of emergency communication.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a block diagram of the network layer protocol of the system of the present invention.
In the figure: 1. a network layer protocol; 2. making a frequency spectrum decision; 3. spectrum migration; 4. application layer/end-to-end quality of service management; 5. a transport layer protocol; 6. sharing frequency spectrum; 7. a link layer protocol; 8. a protocol module; 9. detecting a frequency spectrum; 10. a physical layer; 11. a central control center; 12. a cloud network; 13. a security server.
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-2, a wireless ad hoc network multimedia broadband transmission system includes a network layer protocol 1, a spectrum decision 2, a spectrum migration 3, an application layer/end-to-end quality of service management 4, a transport layer protocol 5, the system comprises a spectrum sharing module 6, a protocol module 8, a spectrum detection module 9 and a physical layer 10, wherein a network layer protocol 1 is connected with the output ends of a spectrum decision module 2, a spectrum migration module 3 and the protocol module 8, the output end of an application layer/end-to-end service quality management 4 is connected with the spectrum decision module 2 and the spectrum migration module 3, the output end of a transport layer protocol 5 is connected with the spectrum decision module 2 and the spectrum migration module 3, the output end of the spectrum sharing module 6 is connected with the spectrum decision module 2 and the protocol module 8, the output end of the protocol module 8 is connected with the spectrum detection module 9, the output end of the spectrum detection module 9 is connected with the physical layer 10.
The spectrum sharing 6 comprises a link layer protocol 7, and the output end of the spectrum sharing 6 is cooperated with the spectrum decision 2 and the protocol module 8; the spectrum decision 2 is transmitted through an application layer configuration and user service quality and application layer/end-to-end service quality management 4, the spectrum decision 2 is transmitted through a transmission layer reconfiguration and transmission layer protocol 5, the spectrum decision 2 is connected with a spectrum sharing 6 through MAC layer reconfiguration and spectrum selection, and the spectrum decision 2 is bidirectionally transmitted with a physical layer 10 through physical layer reconfiguration; the spectrum migration 3 is connected with an application layer/end-to-end service quality management 4 through connection management, the spectrum migration 3 is connected with a transport layer protocol 5 through connection management, and the spectrum migration 3 and the spectrum decision 2 are in bidirectional connection through a decision/reconfiguration request and connection recovery; the protocol module 8 cooperates with the spectrum probe 9, and the protocol module 8 and the spectrum share 6 transmit bidirectionally; the frequency spectrum detection 9 and the physical layer 10 are in bidirectional transmission through frequency spectrum observation, the frequency spectrum detection 9 and the physical layer 10 are in phase transmission through frequency spectrum switching, and the frequency spectrum detection 9 is in phase transmission with the frequency spectrum migration 3 through a detection structure; the network layer protocol 1 comprises a central control center 11, a cloud network 12 and a security server 13, wherein the output end of the central control center 11 is in bidirectional transmission with the output ends of the cloud network 12 and the security server 13.
When the system works, firstly, by utilizing the cooperation of a network layer protocol 1, a frequency spectrum decision 2, a frequency spectrum migration 3, an application layer/end-to-end service quality management 4, a transmission layer protocol 5 and a frequency spectrum sharing 6, a private communication network which is formed by self-adaptive cooperation among self-networking equipment nodes can be used, so that multimedia services such as voice, video, data and the like based on IP can be borne, then, the network layer protocol 1, a central control center 11, a cloud network 12 and a secret server 13 are used in cooperation, the problems that no public network resource is damaged at present, the public network resource can be used in a reassurance mode when the public network resource is occupied are solved, the first emergency site video and voice lamp data can be timely transmitted back to a command center, then, each network node has a network terminal function by virtue of the communication network which is formed by self-adaptive cooperation among all nodes in the network, but also has the function of network relay. The system adopts a centerless distributed network architecture, has the technical characteristics of automatic organization, automatic healing, automatic relay, self-selection of transmission paths and the like, and can bear multimedia services such as voice, video, data and the like based on IP. The method is suitable for rapidly deploying the field network under the condition of complex terrain, and provides information support for immediate handling of the emergency.
In summary, the network layer protocol 1, the spectrum decision 2, the spectrum migration 3, the application layer/end-to-end service quality management 4, the transport layer protocol 5, the spectrum sharing 6, the protocol module 8, the spectrum probing 9 and the physical layer 10 can be coordinated to perform work, thereby completing the transmission regulation and control of the multimedia width; the spectrum sharing module 6 can be used for better assisting the spectrum decision 2 and the protocol module 8 to complete work; the data transmission is completed by utilizing the application layer configuration and the user service quality which are better to enable the application layer/end-to-end service quality management 4 and the spectrum decision 2, and the transmission effect of the spectrum decision 2 and the spectrum sharing 6 is better by utilizing the MAC layer reconfiguration and the spectrum selection; better transmission can be ensured through connection management, namely, spectrum migration 3 and application layer/end-to-end service quality management 4 are ensured, and the connection between the spectrum migration 3 and the spectrum decision 2 is ensured by utilizing a decision/reconfiguration request and connection recovery phase bidirectional connection; the protocol module 8 can be used to assist the operation of the spectrum probing 9; the two-way observation by using the frequency spectrum ensures the smooth transmission of the frequency spectrum detection 9 and the physical layer 10; the central control center 11 can be used to encrypt the cloud network 12 through the security server 13, so as to ensure the smooth emergency use of the network.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A wireless ad hoc network multimedia broadband transmission system comprises a network layer protocol (1), a spectrum decision (2), a spectrum migration (3), an application layer/end-to-end service quality management (4), a transmission layer protocol (5), a spectrum sharing (6), a protocol module (8), a spectrum detection (9) and a physical layer (10), and is characterized in that: the network layer protocol (1) number transmission is connected with the output ends of the spectrum decision (2), the spectrum migration (3) and the protocol module (8), the output end of the application layer/end-to-end service quality management (4) is connected with the spectrum decision (2) and the spectrum migration (3), the output end of the transmission layer protocol (5) is connected with the spectrum decision (2) and the spectrum migration (3), the output end of the spectrum sharing (6) is connected with the spectrum decision (2) and the protocol module (8), the output end of the protocol module (8) is connected with the spectrum detection (9), the output end of the spectrum detection (9) is connected with the physical layer (10), and the output end of the physical layer (10) is connected with the spectrum decision (2).
2. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the spectrum sharing (6) comprises a link layer protocol (7), and the output end of the spectrum sharing (6) is cooperated with the spectrum decision (2) and the protocol module (8).
3. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the spectrum decision (2) is transmitted through application layer configuration and user service quality and application layer/end-to-end service quality management (4), the spectrum decision (2) is transmitted through transport layer reconfiguration and transport layer protocol (5), the spectrum decision (2) is connected with spectrum sharing (6) through MAC layer reconfiguration and spectrum selection, and the spectrum decision (2) is bidirectionally transmitted with a physical layer (10) through physical layer reconfiguration.
4. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the spectrum migration (3) is connected with an application layer/end-to-end service quality management (4) through connection management, the spectrum migration (3) is connected with a transport layer protocol (5) through connection management, and the spectrum migration (3) and the spectrum decision (2) are in bidirectional connection through a decision/reconfiguration request and connection restoration.
5. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the protocol module (8) cooperates with a spectrum probe (9), and the protocol module (8) is bidirectionally transmitted with a spectrum share (6).
6. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the frequency spectrum detection (9) and the physical layer (10) are in bidirectional transmission through frequency spectrum observation, the frequency spectrum detection (9) and the physical layer (10) are in phase transmission through frequency spectrum switching, and the frequency spectrum detection (9) is in phase transmission with the frequency spectrum migration (3) through a detection structure.
7. The wireless ad-hoc network multimedia broadband transmission system according to claim 1, wherein: the network layer protocol (1) comprises a central control center (11), a cloud network (12) and a security server (13), and the output end of the central control center (11) is in bidirectional transmission with the output ends of the cloud network (12) and the security server (13).
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| CN201910893510.9A CN110636489A (en) | 2019-09-20 | 2019-09-20 | Wireless ad hoc network multimedia broadband transmission system |
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| CN201910893510.9A CN110636489A (en) | 2019-09-20 | 2019-09-20 | Wireless ad hoc network multimedia broadband transmission system |
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Cited By (1)
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| CN111817844A (en) * | 2020-07-20 | 2020-10-23 | 西安电子科技大学 | Double-link wireless ad hoc network and security defense method in emergency scene |
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