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Estimating RF Spectrum Utilization

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RF spectrum utilization offers information about how much and how often a given licensed or unlicensed spectrum is used. Methods and techniques for estimating the RF spectrum utilization are needed either for spectrum sharing, assessing harmful interference within licensed/unlicensed frequency bands or for auditing the radio environment before commissioning new access nodes [1-3,6]. The paper addresses the spectrum clearance estimation and defines the associated metrics. Results pertaining to a spectrum clearance campaign in the 900 MHz and 2.5 GHz for both stationary and mobile cases are included ...Learn More
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Dr. Ehsan Talebi, a technical expert in RF technology, has been involved in various engineering, technical services, and management positions for over 19 years. During the past 9 years he has been lecturing and conducting engineering training classes in the field of wireless voice and data networks design, deployment, and optimization for both macro and in-building networks, as well as satellite communication design and configuration. However, Ehsan’s teaching experience in the academia goes back to 1985 when he began lecturing on physics and conducting laboratory sessions at Santa Clara University, De Anza College, and Menlo College.
Ehsan started his telecom career in 1995 at PCS-PrimeCo (now called Verizon) managing an RF engineering team designing a CDMA wireless network for the New Orleans metropolitan area. Since then he has been involved in, and responsible for all aspects of wireless system design and deployment for CDMA and TDMA systems (iDEN, GSM, EDGE, UMTS, IS-95, IS-136, CDMA2000 (3G-1X, 1xEV-DO), WLAN (802.11a, b, and g) for both outdoor as well as in-building networks. In addition to instructing courses, Ehsan’s current activities include instructional design development, e-learning engineering, global delivery, and customer satisfaction support. Before his career in the telecom industry Ehsan was a research engineer at NASA Ames Research Center in northern California for about 9 years.
Ehsan’s BS and MS in Electrical Engineering are from Wentworth Institute of Technology and Boston University, respectively. He has a second MS in Operation Research from Stanford University, and received his Ph.D. in EE from Pacific Western University. He also is a Registered Professional Engineer in the field of Electrical Engineering in State of California.
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