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Wireless self-organizing communication system

A wireless self-organization and communication system technology, applied in wireless communication, electrical components, network topology and other directions, can solve the problems of inconvenient use and portability, large transmission delay, poor survivability, etc., and achieves low maintenance and use costs. The effect of strong adaptability to the environment, easy to carry and use

Active Publication Date: 2013-04-17
CHENGDU TIGER MICROWAVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] ① Rely on infrastructure: Mobile terminals need to use fixed base stations to realize communication, and the base stations are connected to the backbone switching network through wired lines, which increases communication costs;
[0005] ②The mobile terminal does not have the routing function, and the mobile terminal can only send and receive data through the fixed base station, and the usage constraints are relatively large;
[0006] ③Star structure, if a link fails, large-scale services will be interrupted, and the network invulnerability is poor;
[0007] ④High construction, expansion and maintenance costs;
[0008] ⑤The data transmission rate can reach 2Mbit / s when the mobile terminal is stationary, but the data transmission rate is only 144kbit / s when the mobile terminal moves at high speed
[0014] ②For the network layer, it is a single-hop network, and data cannot be forwarded;
[0015] ③ High-speed communication (802.11b: 11M or 802.11a: 54M) can be realized within a limited coverage area (hundreds of meters), but the coverage area is relatively limited
[0017] ①The coverage area is the widest, but the cost is high, the transmission bandwidth is limited, and the transmission delay is large
[0019] ① Relying on satellites, it is easy to fail and cause communication failures in rainy days or when the clouds are thick, or in special environments and places where there are occlusions;
[0020] ② The antenna is too bulky, inconvenient to use and carry, and must be placed on mobile devices such as cars and ships;
[0021] ③ There is a long period of star-seeking process, and it cannot be put into application quickly, and the use in many occasions is restricted
In addition to relying on infrastructure, the cluster communication system also has great limitations on network bandwidth. Narrowband technology is mostly used, with a bandwidth of about 30K and a data transmission rate of about 16Kbps, which greatly limits its data transmission capacity.
Therefore, in some special occasions, the existing means of communication cannot meet the needs of communication. The biggest problem is that the survivability is too poor and it is easy to be quickly destroyed.

Method used

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Embodiment Construction

[0046] Further describe technical scheme of the present invention below in conjunction with accompanying drawing:

[0047] Such as figure 1 As shown, a wireless ad hoc communication system is composed of at least two communication terminals, and each adjacent communication terminal is connected through a wireless network. The communication terminal includes any one of a hand-held voice terminal, a hand-held data terminal and a vehicle-mounted terminal or a combination of several.

[0048]When it is necessary to connect with the existing mobile communication network, it is necessary to install gateway equipment. The gateway acts as a bridge between two different communication systems, so that they can establish a smooth communication channel.

[0049] Such as figure 2 As shown, the wireless ad hoc communication system is connected to the external network through a gateway. The gateway includes a wireless ad hoc communication network protocol controller, a central processing ...

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Abstract

The invention discloses a wireless self-organizing communication system, which consists of at least two communication terminals, wherein every adjacent communication terminals are connected with each other through a wireless network; the communication terminals comprise any one or a combination of a handheld voice terminal, a handheld data terminal and a vehicle-mounted terminal; the communication terminals can be taken as hosts as well routers; and the communication terminals are used for hosting received information, and grouping and forwarding information which does not belongs to own groups. The wireless self-organizing communication system has very high destroy resistance, and is low in costs on establishment, extension, maintenance and application; moreover, the wireless self-organizing communication system has high environmental adaptability, can access to a relay for expanding a network coverage range, and can be communicated with the Extranet to obtain plenty of data services; and data transmission of the system has characteristics of high rate, large bandwidth, small time delay, wide network coverage range and the like.

Description

technical field [0001] The invention relates to a wireless ad hoc communication system. Background technique [0002] With the rapid development of science and technology and the continuous advancement of the information age, the means of communication are also developing in diversification. But in fact, there are still some disadvantages in the communication means that people generally use at present. The following are several communication methods commonly used at present and their deficiencies and shortcomings: [0003] (1) Cellular mobile communication network [0004] ① Rely on infrastructure: Mobile terminals need to use fixed base stations to realize communication, and the base stations are connected to the backbone switching network through wired lines, which increases communication costs; [0005] ②The mobile terminal does not have the routing function, and the mobile terminal can only send and receive data through the fixed base station, and the usage constraint...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W84/18
Inventor 袁贤刚潘世军王博
Owner CHENGDU TIGER MICROWAVE TECH
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