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Testing device and method for radiation dispersion of CDMA mobile terminal

A technology of mobile terminals and testing methods, which is applied in measuring devices, selecting devices, measuring electrical variables, etc., and can solve the problems of high cost of large-scale microwave anechoic chambers, large and expensive test systems, etc.

Inactive Publication Date: 2008-04-23
ZTE CORP
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Problems solved by technology

[0004] However, the cost of large-scale microwave anechoic chambers is high, and the test system is huge and expensive. At the same time, it is often necessary to develop corresponding test control software, which is mainly used in the field of automated testing, and is more common in specialized EMC testing institutions

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  • Testing device and method for radiation dispersion of CDMA mobile terminal
  • Testing device and method for radiation dispersion of CDMA mobile terminal
  • Testing device and method for radiation dispersion of CDMA mobile terminal

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Embodiment Construction

[0041] Below in conjunction with accompanying drawing, the present invention will be described in further detail:

[0042] In order to simplify the CDMA terminal radiation spurious test method and maintain the accuracy of test results, the invention provides a flexible test environment construction and measurement method. The equipment to be used includes: a broadband transverse electromagnetic wave chamber (TEM Cell), a microwave power splitter, a CDMA base station simulator, an adjustable notch filter, a spectrum analyzer, and several low-loss RF test cables. Broadband TEM Cell realizes the effective isolation of the tested CDMA terminal from external interference; the microwave power splitter completes the separation of the test channel and the communication channel; Various working states such as transmitting power; the spectrum analyzer is used to observe the energy value of radiated stray signals. In addition, a standard signal source is required to start testing the pa...

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Abstract

This invention discloses a test device and a method for stray of CDMA mobile terminal radiation, in which, the device includes: a broadband horizontal electromagnetic wave chamber connected with a communication channel and a test channel, and the method includes: 1, measuring energy loss of the communication channel and the test channel, 2, setting up connection of the CDMA mobile terminal to be tested with the measured communication channel and the test channel to set up a test environment, 3, testing the CDMA mobile terminal.

Description

technical field [0001] The invention relates to a CDMA mobile terminal radiation spurious testing device and method. Background technique [0002] In recent years, wireless communication, especially mobile communication technology, has developed rapidly, and the resulting electromagnetic compatibility (EMC) problems have become more and more complicated. EMC testing has become a mandatory requirement for mobile communication terminals to enter most markets, and it is also a very important factor for terminal performance. An important test item. The radiation spurious test is mainly aimed at the spurious wave signal energy radiated by the mobile terminal from space, and requires that the radiation energy be lower than a certain limit within a fairly wide frequency band. Especially when the mobile terminal is required to be in the state of maximum output power during the test process, the spurious radiation of the terminal is also the strongest at this time. Controlling the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04Q7/34G01R29/00H04J13/00H04B17/318H04B17/391
Inventor 郭月飞尹成刚徐鹏斌伍燕
Owner ZTE CORP
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