Telephone Industry

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The Experts below are selected from a list of 267 Experts worldwide ranked by ideXlab platform

Mats Winroth - One of the best experts on this subject based on the ideXlab platform.

David Gabel - One of the best experts on this subject based on the ideXlab platform.

Mica Comstock - One of the best experts on this subject based on the ideXlab platform.

Niels Kuster - One of the best experts on this subject based on the ideXlab platform.

  • Designing mobile transmitters in view of SAR, HAC and OTA constraints
    2010 Asia-Pacific International Symposium on Electromagnetic Compatibility, 2010
    Co-Authors: Erdem Ofli, Mark Douglas, Fin Bomholt, Niels Kuster
    Abstract:

    With the continuous trend towards smaller mobile devices with sophisticated functionality and multiple wireless bands, concerns about possible insufficient over-the-air (OTA) performance and increased Specific Absorption Rate (SAR) values are growing within the wireless-Telephone Industry. These new phones must also comply with the hearing aid compatibility (HAC) standards. The aim of this paper is to review current trends of OTA, SAR and HAC requirements and to discuss the tools available for developing and analyzing optimized devices.

  • Challenges in complex transmitter development in view of the increasing RF requirements (OTA, SAR, HAC)
    2009 Loughborough Antennas & Propagation Conference, 2009
    Co-Authors: Erdem Ofli, Niels Kuster
    Abstract:

    With the continuous trend towards smaller mobile devices with sophisticated functionality and multiple wireless bands, concerns about possible insufficient over-the-air (OTA) performance and increased Specific Absorption Rate (SAR) values are growing within the wireless-Telephone Industry. These new phones must also comply with the hearing aid compatibility (HAC) standards. The aim of this paper is to review current trends of OTA, SAR and HAC requirements and to discuss the tools available for developing and analyzing optimized devices.

Yimin Zhang - One of the best experts on this subject based on the ideXlab platform.

  • competition and allocative efficiency the case of the u s Telephone Industry
    The Review of Economics and Statistics, 1995
    Co-Authors: Yimin Zhang
    Abstract:

    This study investigates the effect of competition on the productive efficiency of the U.S. Telephone Industry, taking into account the fact that the Industry was subject to rate-of-return regulation. It is shown that competition induces the incumbents to use capital inputs closer to the unconstrained optima, thereby reducing the allocative inefficiency caused by the Averch-Johnson effect. This effect is in addition to the usual technical efficiency improvement induced by competition. Empirical results, based on annual data for the U.S. Telephone Industry for the 1951-90 period, suggested that competition improved the allocative efficiency of the incumbent firms which had been under a rate-of-return regulation until 1989. Copyright 1995 by MIT Press.