IncreasesInternalTestCoveragetoOver90%forLTE创新.PDFVIP

U S e R S T o Ry AT4 wireless Increases Internal Test Coverage to Over 90% for LTE Physical Layer Test Equipment Designs Long Term Evolution (LTE), a next-genera- AT4 wireless wanted a model that would tion wireless communications technology enable better understanding of the LTE stan- enhancement of the Universal Mobile dard and support a well-documented test Telecommunications System (UMTS), process in which they could reuse test vec- promises high throughput, low latency, tors for individual components as well as for and improved spectral efficiency. the complete system. Based in Málaga, Spain, AT4 wireless devel- The FPGA implementation of the LTE physi- ops test systems for manufacturers that cal layer would enable test equipment to design and build LTE handsets. These test acquire test data in real time. AT4 wireless LTE layer 1 tester. systems emulate a base station on the LTE The Solution cellular network, enabling AT4 wireless AT4 wireless engineers used MATLAB and