Rohde & Schwarz’s 3G Test Solution Brief-3G, testing, Rohde & Schwarz – Radio and TV Ind
Article by jekky
3G in China is being slowly opened the curtain, TD-SCDMA, WCDMA / HSDPA / HSUPA and cdma2000/1xEV-DO the three 3G Communicate Standard has become the focus of attention. Many manufacturers are trying to become the new 3G earnings growth, the domestic manufacturers is hoped 3G with foreign firms in the same starting line. Of course, 3G is a new opportunity Investment 3G will face, such as markets, technology, investment, financial and Management And other risks, there are three 3G standards in particular, if investment in the wrong direction could bring disaster to the enterprise. Therefore, many manufacturers are already preparing for 3G or 3G is being evaluated and Test : If the evaluation of various criteria, the performance of various equipment and functional test, the interconnection between different vendor interoperability testing, and various equipment in the actual Network (Or simulate real network), the truth can be so. Only after rigorous testing in order to properly assess a communication system, thereby reducing investment risk. At this time, Test Equipment The position in the 3G is very important.
Throughout all phases of 3G industry chain, such as Chip Group R & D, product design and verification, production and maintenance as well as during the time of network deployment, network planning, installation and optimization, many tests are needed to ensure the equipment properly, and the different manufacturers of equipment to interconnection. Thus require a series of test specification and the corresponding Test Equipment.
Chipset in the early development stage, the need to test baseband chips and RF chips, and the protocol stack for the test. The test is extremely important and must be very carefully verified, since these chips are the most central part of the product must be found and resolved early on a variety of design problems.
In the product design stage, in addition to baseband, RF and audio tests, the same protocol to be the product of rigorous testing and functional verification, and for the aging test. Finally, each product must undergo a certification test to the market. With 3G mobile phone For example, common certification test with RF testing, protocol testing, audio testing, EMC testing, OTA test, USIM card test and so on.
Main pursuit in the production phase of the product fast, accurate testing. Test speed will directly affect the production and testing of the refined criteria are the basis for ensuring product quality. At that stage, how to customize the appropriate test methods and procedures, choice of test instruments is extremely important.
3G network deployment and the front is completely different in front of the three stages of product development and manufacturing, while the network is deployed, the more Project Implementation. A network is running well, and Network equipment While related to network deployment and optimization is closely related. Network deployment involves early planning (frequency and scrambling code planning) and the subsequent optimization. This time often need some drive test equipment and base stations, Antenna test equipment. And then the authenticity of vendors will be able to network, the interconnection of different devices to assess interoperability.
As Europe's largest Electronic Measuring instruments Suppliers, ROHDE & SCHWARZ provided including TD-SCDMA, WCDMA / HSDPA / HSUPA and cdma2000/1xEV-DO full 3G mobile phones and base station test solution. From a variety of RF, baseband and audio test equipment to the protocol conformance testing, data application testing, certification testing and the consistency of RF and EMC certification testing OTA. R & S for the same time, network planning and network optimization also introduced the corresponding test equipment.
Overall, R & S's 3G testing equipment product line with full, functional lead, test speed, accuracy and other advantages. At present most of the domestic and international major companies have already adopted 3G R & S equipment for its research and development, production and maintenance, consistency certification and network deployment. Following the first launch of HSDPA and HSUPA testing solution,, R & S customers in China will continue to provide the most advanced test equipment and systems.
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