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A novel measuring device for error code rate

A measurement device and a technology for bit error rate, which are applied in error detection/prevention, digital transmission systems, electrical components, etc. using signal quality detectors, which can solve the problems of cumbersome operation and waste of hardware resources, and achieve the purpose of avoiding cumbersome and saving hardware. The effect of cost, good scalability and flexibility

Inactive Publication Date: 2008-09-10
成都听味电子技术有限公司
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Problems solved by technology

[0009] Aiming at the problems that the traditional bit error rate measurement method uses a combined test of a bit error rate measuring instrument and a channel simulator, resulting in cumbersome operation and waste of hardware resources, the present invention provides a combination of channel simulation function and bit error rate measurement function The bit error rate measuring instrument, the bit error rate measuring instrument is designed and implemented using a programmable hardware platform, so that the channel simulation function and the bit error rate measurement function are integrated in the hardware implementation

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  • A novel measuring device for error code rate
  • A novel measuring device for error code rate
  • A novel measuring device for error code rate

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Embodiment Construction

[0040] figure 2 In the illustrated embodiment, the programmable processing device is implemented using a computer 18; the user control software ( Figure 6 Its process shown) is installed in the computer 18, and this software contains the channel parameter of configuration channel simulation unit, bit error calculation processing (including generating bit error test data, receiving the data transmitted through the channel, bit error calculation), and other related At the same time, an executable program named data2mem and the initial bit configuration file of FPGA are also configured in the computer 18.

[0041] The signal processing hardware platform consists of an input analog bandpass filter 11, an input mixer 12, an input analog low-pass filter 13, a variable gain operational amplifier 14, an AD9254 analog-to-digital converter 15, a channel analog FPGA chip 16, and a CPLD control module 17. Computer 18, PCI9054 interface chip 19, AD9744 digital-to-analog converter 20, ou...

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Abstract

The invention provides a device for measuring bit error rate of communication equipment, which consists of programmable process equipment 1, user-controlled software and a signal processing hardware platform 3. The device integrates a bit error testing and channel simulation as a whole, and by utilizing a programmable process apparatus and / or the programmable equipment, the device also greatly simplifies the complexity and production difficulty of the hardware; meanwhile, the device also solves the problem that as the common bit error rate measuring devices lack channel simulation function, a channel simulator needs to be provided for testing bit error in the channel simulation environment, which leads the operation to be loaded down with trivial details and causes a waste of hardware resources. The invention also provides a method for fast configuring channel parameters. By arranging the parameters in a human-computer interface through the programmable processing equipment and by the virtue of a PCI bus transmission method, the simulation channels can be changed quickly according to the requirements of the user.

Description

technical field [0001] The invention relates to the technical field of electronic measurement, in particular to a device for measuring bit error rates of communication equipment. Background technique [0002] Bit error rate is an index to measure the accuracy of data transmission within a specified time, and it is also an important index to reflect the quality of data transmission equipment (receiver and transmitter) and channel work. Its size is determined by the system characteristics of the channel and the channel quality. To quantitatively understand the operating quality of the system, it is necessary to measure its bit error rate. The measurement of bit error rate is done by a kind of instrument called bit error rate meter. [0003] There are usually two test scenarios in the bit error rate measurement method, one is to measure in the actual channel, and the other is to measure in the simulated channel. Although the actual channel measurement method is true and relia...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L1/20
Inventor 马万治吴晓嫣唐友喜符初生
Owner 成都听味电子技术有限公司
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