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Radio multi-hopping network audio frequency, data transmission nodal equipment

A data transmission node, wireless multi-hop network technology, applied in the transmission system, data exchange through path configuration, electrical components, etc., can solve the problems of poor invulnerability and mobility, poor invulnerability, and poor mobility, and achieve Effective control and management, adaptable effect

Inactive Publication Date: 2007-08-22
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Poor invulnerability and mobility
The existing communication network relies on pre-deployed network facilities, but in some special occasions, such as the rapid deployment and advancement of troops on the battlefield, rescue after an earthquake or flood, field scientific investigations, remote mountainous areas, accidents, etc., the existing wireless network Extremely difficult to deploy, poor invulnerability, poor mobility, unable to meet application requirements

Method used

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  • Radio multi-hopping network audio frequency, data transmission nodal equipment
  • Radio multi-hopping network audio frequency, data transmission nodal equipment
  • Radio multi-hopping network audio frequency, data transmission nodal equipment

Examples

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Embodiment Construction

[0067] The platform of the device is a complete ARM embedded Linux development platform, and its hardware system schematic diagram is shown in Figure 1, which mainly includes the following components:

[0068] 1. Samsung ARM920T core processor S3C2410A, S3C2410A is a 32-bit low-power RISC macro unit, which integrates 16KB instruction cache and data cache, LCD controller, NAND Flash Boot Loader, system manager, 3-way UART, 4 DMA, 4-way PWM and 1 internal clock controller, 8-way 10-bit ADC and touch screen interface, programmable general-purpose I / O port, and I2C and I2S bus interface, USB Host / USB Device interface, etc., with It has SD Host and multimedia card interface, and has a very rich on-chip and peripheral, which greatly simplifies the system design.

[0069] 2. Memory, including 2MB NOR Flash, used to solidify test programs, such as USB DEVICE monitoring program, LCD test program and other system hardware peripheral test programs, the program is compiled by ADS; 64MB SD...

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Abstract

An audio and data transmission node device of radio multi-jump network consists of ARM controller and its audio processing chip, network card interface, SD card interface and power supply. It is featured as not requiring fixed basic facilities to support and enabling to quickly self-organize radio network. The method utilizing said node device to set up self-organized radio network is also disclosed.

Description

technical field [0001] This node device is used in the field of wireless communication. It is a wireless device that supports multi-point and multi-hop voice and data transmission. It can meet the requirements of multi-frequency bands and can be effectively self-organized in the case of fixed infrastructure or no fixed infrastructure. The network can adaptively select routes and has the characteristics of indestructibility, self-organization and portability. Background technique [0002] There are certain problems in the existing wireless communication system based on the deployment of network access points: [0003] Coverage is limited. Existing wireless communication networks rely on pre-deployed network infrastructure, resulting in limited network coverage. In some occasions, although the coverage can be expanded by adding access points, this increases the system cost to a certain extent, and the flexibility and availability are poor; [0004] Unable to make full use o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/28
Inventor 李旭袁凯袁盛嘉吴彦奇惠博刘海霞宋甲英薛宾李博崔蕾
Owner BEIJING JIAOTONG UNIV
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