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Journals and Conferences
An indoor localization and communication project is described that proposes to use RFID (radio-frequency identification) tags, placed in the building beforehand, as navigation waypoints for an… (More)
We introduce a near-field, spherical-scanning algorithm for antenna measurements that relaxes the usual condition requiring data points to be on a regular spherical grid. Computational complexity is… (More)
We examined the emissions of commercial HF (high-frequency) proximity RFID (radio frequency identification) systems and the performance of a typical RFID system in the presence of electromagnetic… (More)
The Antenna Metrology Laboratory at the National Institute of Standards and Technology (NIST) is developing a robotically controlled near-field pattern range for measuring antennas and components… (More)
We outline the formalism for linking microwave remote-sensing measurements to fundamental noise standards and estimate the achievable uncertainty. Plans for the development and use of standard… (More)
An intercomparison of power gain for W-band (75 GHz to 110 GHz) standard horn antennas has been performed among KRISS, NPL and NIST. This paper describes the comparison and its measurement results.
The interior spherical scanning method can be used to quantify the fields incident on a test zone. The method is potentially useful in evaluating anechoic chamber and compact range performance.
We discuss efficient near-field to far-field transformation algorithms that relax the usual restriction that data points be located on regular grids on special surfaces (planar, spherical, or… (More)
We introduce a near-field to far-field transformation method that relaxes the usual restriction that data points be located on a plane-rectangular grid. It is not always practical or desirable to… (More)
A comparison of the planar, spherical and cylindrical near-field techniques was completed at the National Institute of Standards and Technology (NIST) for a Ku-band cassegrain reflector antenna. This… (More)