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Application Notes
Introduction
Dramatic increases in data traffic generated by the increasingly common use of internet-enabled devices, such as smartphones, is prompting rapid development of faster data throughput networks. Base transceiver stations (BTS) being used to deliver 2G and 3G services are migrating to faster data cellular formats such as HSPA+ and LTE to accommodate this evolution. The test requirements for newly emerging formats are progressively more complicated. Conformance tests are required to verify that a BTS performs as designed, while meeting radio regulations and interoperability requirements set by standards bodies such as ITU and 3GPP, as well as local governments. Understanding the purpose of the tests, as well as the definitions, and requirements defined in the standards, and selecting the right test equipment, are necessary steps in performing successful BTS conformance tests within a limited timeframe.
This application note provides information that will help you migrate from 2G/3G BTS receiver testing to 3.9G and 4G base station testing. Various receiver conformance test requirements will be explained, as will how to perform those tests using the new X-Series signal generators. Also included in this document is an overview of the challenges faced when performing 3.9G and 4G BTS conformance tests.
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