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  • Sep. 17, 2012
    Article

    Qualcomm Acquires Small-Cell Specialist 1

    To increase capacity and coverage in mobile networks, most operators are beginning to implement small cells and heterogeneous networks (HetNets). To better support these efforts, Qualcomm, Inc. (www.qualcomm.com) has acquired DesignArt Networks...More
  • Sep. 17, 2012
    Article

    Qualcomm Acquires Small-Cell Specialist

    To increase capacity and coverage in mobile networks, most operators are beginning to implement small cells and heterogeneous networks (HetNets). To better support these efforts, Qualcomm, Inc. (www.qualcomm.com) has acquired DesignArt Networks...More
  • Sep. 17, 2012
    Article

    Watchdog Group Pushes For Carriers To Disclose Data Speed

    Today, ads for the latest fourth-generation (4G) networks and products are everywhere. According to Consumer Watchdog (www.consumerwatchdog.org), however, technical speed standards for “4G” mobile technology are universally ignored by US cell-phone companies....More
  • Sep. 17, 2012
    Article

    China Explores Small Cells’ Potential 1

    As China Mobile continues to roll out TD-SCDMA and TD-LTE networks, it faces some of the same coverage gaps encountered elsewhere in the world: spotty indoor coverage, insufficient capacity for crowded public places, and more....More
  • Sep. 17, 2012
    Article

    Spectrum-Shortage Outlook Is Grim 2

    According to CTIA-The Wireless Association (www.ctia.org), the US government controls 409.5 MHz of spectrum for commercial wireless services—although not all of that bandwidth is at ideal frequencies. The frequency range best suited for high-speed, commercial wireless-broadband services is between 400 MHz and 3 GHz....More
  • Sep. 17, 2012
    Article

    Spectrum-Shortage Outlook Is Grim

    According to CTIA-The Wireless Association (www.ctia.org), the US government controls 409.5 MHz of spectrum for commercial wireless services—although not all of that bandwidth is at ideal frequencies. The frequency range best suited for high-speed, commercial wireless-broadband services is between 400 MHz and 3 GHz....More
  • Sep. 17, 2012
    Article

    Seed-Sized Antenna Paves Way For Millimeter-Wave Manufacturing

    To enable the next size and cost leap for communications systems, researchers from the Agency for Science, Technology, and Research’s (A*STAR’s) Institute of Microelectronics (IME) have developed a compact, silicon-based cavity-backed slot (CBS) antenna....More
  • Sep. 17, 2012
    Article

    Make Sense Of Sensing 48

    When emerging opportunities in the microwave and general electronics market are brought up, sensing is often mentioned. Already, touchscreens and accelerometers have seen vastly increased adoption in mobile phones....More
  • Sep. 17, 2012
    Article

    Software Speeds PA Design 85

    In RF and microwave engineering, the design and development of power amplifiers (PAs) is something of a black art. In addition to years of focused engineering experience, it demands a suitable collection of test and measurement equipment....More
  • Sep. 17, 2012
    Article

    Push-Push VCO Fulfills 60-GHz Transceiver 3

    IEEE Task Group 802.15.3c provides allocation for four bands—each with a bandwidth of 2160 MHz. To prevent an image signal or local-oscillator-1 (LO1) leakage signal from being transmitted in the RF bands—and to enable an image-rejection filter to operate around 60 GHz—a sliding intermediate-frequency (IF) range was chosen for the standard....More
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