CN202721828U - Broadband high speed mobile wireless self-organizing network equipment - Google Patents
Broadband high speed mobile wireless self-organizing network equipment Download PDFInfo
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- CN202721828U CN202721828U CN 201220436822 CN201220436822U CN202721828U CN 202721828 U CN202721828 U CN 202721828U CN 201220436822 CN201220436822 CN 201220436822 CN 201220436822 U CN201220436822 U CN 201220436822U CN 202721828 U CN202721828 U CN 202721828U
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Abstract
The utility model belongs to the technical field of wireless communication, in particular relates to broadband high speed mobile wireless self-organizing network equipment, comprising a CPU motherboard, radio frequency daughter boards, a radio frequency switching matrix and an array antenna, wherein the input end of the CPU motherboard is connected with a local Ethernet, the output end of the CPU motherboard is connected with a plurality of radio frequency daughter boards through a MiniPCi bus, all radio frequency daughter boards are respectively connected with the input end of the radio frequency switching matrix through radio frequency signal lines, and the output end of the radio frequency switching matrix is connected with the minisize array antenna through a radio frequency coaxial cable. The broadband high speed mobile wireless self-organizing network equipment can ensure large-capacity transmission bandwidth and reliable transmission performance under a self-organizing network multihop environment and under an environment with routes frequently changed due to high speed motion, and is suitable to provide a large-capacity high-reliability wireless self-organizing network among high speed mobile objects.
Description
Technical field
The utility model belongs to wireless communication technology field, is specially a kind of communication terminal that is applicable to high-speed maneuver carries out networking with Ad hoc mode by wireless channel equipment.
Background technology
Mobile ad-hoc network is owing to lack using, never very large development, but along with the rise of " car networking ", and civilian mobile ad-hoc network has welcome a period of expansion fast.Traditional design method takes to improve wireless operating frequency mode in order to increase bandwidth more, and this mode causes that loss is large, receiving sensitivity is poor, has had a strong impact on the laser propagation effect of wireless signal; In addition, during system group network, the transmission of cross-node is used and need to be finished by the wireless multi-hop relay mode, and under traditional injection frequency interface self-organizing design, the system transmissions major cycle; In addition, in single node fast moving situation, route changes and can cause that often business packet loses, so that service transmission quality is difficult to guarantee.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of broadband high-speed mobile wireless self-organized network equipment is provided, under the environment of self-organizing network multi-hop, and cause at high-speed motion under the environment of route frequent variations, still can guarantee jumbo transmission bandwidth and highly reliable transmission performance.
For realizing above-mentioned technical purpose, the scheme that the utility model provides is: a kind of broadband high-speed mobile wireless self-organized network equipment, it comprises, the CPU motherboard, the radio frequency daughter board, radio frequency switching matrix and array antenna, input and the local ethernet of CPU motherboard link, the CPU output connects with some radio frequency daughter boards by the Mini pci bus, all radio frequency daughter boards are connected to respectively the input of radio frequency switching matrix by rf signal line, the output of radio frequency switching matrix connects with the miniaturization array antenna by radio frequency coaxial cables.
And, comprise the CPU processor of MPC8544E model in the above-mentioned CPU motherboard.
And above-mentioned radio frequency daughter board comprises the modulation /demodulation nest plate of AR9220 model, and it connects with the radio frequency switching matrix after connecting power amplifier.
And above-mentioned radio frequency switching matrix is HE139 DC type microelectromechanical systems.
Advantage of the present utility model is as follows.
1. networking capability is strong, and every equipment support is no less than 4 radio frequency interface unit, and network hops limits and is not less than 15 jumpings, and network node quantity is not less than 64, supports available frequency quantity to be no less than 12.When route changes, on the impact of business less than existing system.
2. transport tape is roomy, time delay is little, and under multiple jump condition, transmission bandwidth is not less than 20Mbps, and high bandwidth can reach 50Mbps, and single node maximum transmitted ability reaches as high as 200Mbps.In the equal jumping figure situation, transmission bandwidth is greater than existing list/double nip system, and propagation delay time is less than existing list/double nip system.
3. long transmission distance, antenna height satisfy condition in the situation, and transmission range is not less than under the 30km(vehicle-mounted type antenna applications condition, is not less than 1.5km).Under the equal transmitting power, transmission range is greater than existing system.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of CPU motherboard.
Fig. 3 is the structural representation of radio frequency daughter board.
Fig. 4 is the structural representation of radio frequency matrix and miniaturization array antenna.
Fig. 5 is the networking schematic diagram of the present embodiment.
Fig. 6 is the channel switch operating schematic diagram of the present embodiment.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Realize technical scheme described in the utility model, need to be at 1 broadband high-speed mobile wireless self-organized network equipment of each mobile node configuration, as shown in Figure 1, this equipment generally is made of 1 CPU motherboard, 4 radio frequency daughter boards, 1 radio frequency switching matrix and 1 miniaturization array antenna.
Adopt the Mini pci bus of standard interconnected between CPU motherboard and the radio frequency daughter board, the radio frequency daughter board links by rf signal line and radio frequency switching matrix, and the radio frequency switching matrix links by radio frequency coaxial cables and miniaturization array antenna.Equipment provides 2 local 10M/100M/1000M Ethernet service interfaces, and equipment provides 4 radio frequency interfaces (12 frequencies of maximum support), adopts the 2.4G/5G frequency range, and internodal networking channel is provided.
The CPU motherboard, as shown in Figure 2, this module is used for the optimization of cross-layer self-organizing Routing Protocol; Other modules that are used for the control and management networking equipment, and collaborative other modules are finished multichannel, multifrequency point, many modulation, multi-beam ad hoc communication system Access Algorithm.Can select based on conventional CPU(CPU: the CPU) real time operating system of MPC8544E, finish the optimization of cross-layer self-organizing Routing Protocol, realize the Route Selection of the wireless multi-hop relay of cross-node, thus the transmission bandwidth of safeguards system.When local IP operation need to send data, transmitted according to the calculating of the whole network distribution situation and selection next node by this module; When receiving the IP operation bag that belongs to our station, pass to service terminal from Ethernet interface; In addition, during as middle forward node, with the packet of the upstream node that receives, calculate and select the route of rational next node to transmit according to the whole network distribution situation.
In addition, CPU is by the connection of Mini pci bus and control each radio frequency daughter board and radio frequency switching matrix, associated treatment multichannel, multifrequency point, many modulation, multi-beam ad hoc communication system Access Algorithm.
The radio frequency daughter board as shown in Figure 3, is used for the conversion between this section point transmitting-receiving data or interim data and the radio-frequency transmission signals.Can adopt the nest plate AR9220 of single channel support OFDM or DSSS modulation demodulation system as core component, finish the conversion between local deal with data and the radiofrequency signal.In addition, by the Mini pci bus, the CPU module is the working method of adjustable module also, and the parameters of inquiring about and adding up this daughter board wireless channel, in order to finish the realization of Access Algorithm.
Radio frequency switching matrix and miniaturization array antenna, as shown in Figure 4, adopt HE139 DC type microelectromechanical systems to realize the radio frequency switching matrix, this switching matrix is controlled by the CPU motherboard, the output signal that realizes 4 radio frequency submodules outputs to 12 different antennae, thereby forms different beam combination.
Now take 4 nodes as example in detail, the network-building method of broadband high-speed mobile wireless self-organized network is described in detail.As shown in Figure 5, settle a MANET equipment at each node.Equipment room carries out wireless networking by the wireless Ad Hoc function, and provides the broadband interconnected.
As shown in Figure 6, in the node high-speed mobile process, equipment room carries out the through street by the switching of reselection procedure and channel by the wireless Ad Hoc function, and guarantees that business do not lose.3. 2. from the position 1. the D vehicle advance to the position again through the position, when perceiving the f5 signal strength signal intensity greater than the f4 signal strength signal intensity, realizes the adjustment of route and the soft handover of business is optimized.
By technology such as above-mentioned many interfaces multichannels, and the Routing Protocol of cross-layer optimizes soft switching process, ensured the establishment of broadband high-speed mobile wireless self-organized network between node.
The utility model has adopted many interfaces multichannel technology to solve the deteriorated problem of transmission performance under the self-organizing network multiple jump condition; Soft switching process when the Routing Protocol of employing cross-layer is changed by the mobile route that causes in order to optimization, the raising system is to the support of business; Adopt beam forming technique to improve the covering power of system, make and adopt smaller power to realize becoming possibility than long-distance transmissions; Adopt power control techniques, not only improved capacity and the transmission range of system, and Security of the system and confidentiality also are enhanced.
Claims (4)
1. broadband high-speed mobile wireless self-organized network equipment, it is characterized in that: comprise the CPU motherboard, the radio frequency daughter board, radio frequency switching matrix and array antenna, input and the local ethernet of CPU motherboard link, the CPU output connects with some radio frequency daughter boards by the Mini pci bus, and all radio frequency daughter boards are connected to respectively the input of radio frequency switching matrix by rf signal line, and the output of radio frequency switching matrix connects with the miniaturization array antenna by radio frequency coaxial cables.
2. broadband high-speed mobile wireless self-organized network equipment according to claim 1 is characterized in that: the CPU processor that comprises the MPC8544E model in the described CPU motherboard.
3. broadband high-speed mobile wireless self-organized network equipment according to claim 1, it is characterized in that: described radio frequency daughter board comprises the modulation /demodulation nest plate of AR9220 model, it connects with the radio frequency switching matrix after connecting power amplifier.
4. broadband high-speed mobile wireless self-organized network equipment according to claim 1, it is characterized in that: described radio frequency switching matrix is HE139 DC type microelectromechanical systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436822 CN202721828U (en) | 2012-08-30 | 2012-08-30 | Broadband high speed mobile wireless self-organizing network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436822 CN202721828U (en) | 2012-08-30 | 2012-08-30 | Broadband high speed mobile wireless self-organizing network equipment |
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| Publication Number | Publication Date |
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| CN202721828U true CN202721828U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220436822 Expired - Fee Related CN202721828U (en) | 2012-08-30 | 2012-08-30 | Broadband high speed mobile wireless self-organizing network equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738914A (en) * | 2020-12-24 | 2021-04-30 | 西安电子科技大学 | Integrated sensing node device and working method thereof |
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2012
- 2012-08-30 CN CN 201220436822 patent/CN202721828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738914A (en) * | 2020-12-24 | 2021-04-30 | 西安电子科技大学 | Integrated sensing node device and working method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20160830 |