October 2007 [Test & Measurement] Wireless Laboratory Aids Students And Research Engineers have already played major roles in the development of wireless technologies and they will continue to do so. But engineers are made, and not born, requiring new integrative curricula at the undergraduate and graduate levels to foster the development of the next generation of wireless engineers. Part of this effort is already taking place at the University of South Florida, where a state-of-theart wireless-communications laboratory has been ... September 2006 [Test & Measurement] Understand Requirements For WiMAX Testing High-data-rate communications as defined in the WiMAX IEEE 802.16-2004 standard may pave the way for true broadband, multimedia services over wireless networks. Based on orthogonal-frequency-division-multiplex (OFDM) techniques, the WiMAX physical-layer (PHY) and media-access-control (MAC) protocols are outlined in the IEEE 802.16-2004 standard. These protocols have inspired the development of a baseband test transceiver detailed last month in Part 2 of this article ... August 2006 [Test & Measurement] Building A Receiver For WiMAX Testing Wireless applications using WiMAX high-date-rate technology are poised for growth in the next several years. Based on orthogonal-frequencydivision-multiplexing (OFDM) techniques, WiMAX holds the promise of broadband wireless access (BWA) as part of the "last mile" of multimedia services networks. Last month, this three-part article series on WiMAX testing opened with a review of the WiMAX physicallayer (PHY) and media-access-control (MAC) protocols as outlined in the... July 2006 [Test & Measurement] Establish Test Procedures For WiMAX Transceivers Data-intensive wireless applications have sped the development of multicarrier modulation techniques, such as orthogonal frequency-division multiplexing (OFDM). OFDM can overcome many problems that arise with high-bit-rate communications, such as time dispersion.1-4 Because OFDM is becoming so widespread, with applications in European Hiperlan, US wireless local-area networks (WLANs, such as IEEE 802.11a/g standards), in wireless metropolitan-area... |
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