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Emerging Technologies 2018 Session Listing

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Session B2: Next-Generation Wireless

Start Time: 09:00, Thursday, May 10
Room: Mt. Currie South
Chaired by Chair to be Announced

  • 9:00 Masum Hossain, University of Alberta (

    Affordable digital beam forming techniques for 5G wireless

  • 9:20 Morris Repeta, Huawei (

    5G mm-wave ultra-large-scale-array integration technology

    This paper reports an E-band ultra-large-scale phased array radio for 5G communications. The antenna was implemented in LTCC technology. In order to reduce system/circuit complexity, 8-element sub-arrays are used. These sub-arrays are randomly tiled to disrupt the periodicity in the array in order to keep side lobe level (SLL) and grating lobe level (GLL) low. Limited field of view (LFOV) of ±15o in both Azimuth and Elevation planes is achieved with < -10dBc SLL and 60% efficiency. A boresight and a +15o θo, ϕo beam steered 256-element E-band phased arrays were prototyped with LTCC technology to validate the concept, and a 1024-element design was completed. Measured results are presented and compared with simulations. This design is also scalable if higher antenna gain is required making this proposed phased array a good candidate for next generation high speed 5G communications.


    Implemented in 55nm SiGe BiCMOS, two ASICs were designed to be mounted into the LTCC substrate; 1) the Active Antenna which includes 8 TRX and 2) Up/Down Conversion ASIC that will the feed TX and RX signals to an array of Active Antenna ASICs . On-wafer measurements will be presented across multiple samples.

  • 9:40 Suraj Prakash, Texas A&M University (

    Energy-efficient envelope tracking in RF power amplifier for demanding wireless standard

    In our day-to-day life, low battery run-time of portable devices is an instrumental issue with huge growth in functional density. Due to the significant consumption of battery power, a power amplifier is always a bottleneck in enhancing battery run-time. In order to reduce power consumption of a power amplifier, several techniques are used in present portable devices. In these techniques, envelope tracking technique is a ubiquitous approach. An envelope tracking solution needs to be faster enough to accommodate fast- moving envelope signal; at the same time, it needs to be power efficient. However, due to a continuous movement to demanding wideband wireless standards with a high peak-to-average ratio, these aspects are becoming challenging. In this talk, we will see the challenges for an envelope tracking solution due to demanding wireless standards and way to overcome these challenges. Furthermore, we will also see an approach of envelope tracking that helps the technique to be faster and power efficient at the same time.

  • 10:00 Joy Laskar, Maja Systems ( with R. Pelard and J. Sevic

    mmW CMOS products for terabit connectivity

    Since the first demonstration of mmW wireless connectivity in 1895, there has been much interest and promise in the future of mmW gigabit wireless technology. It has been only recently, with the emergence of CMOS based technology and its capacity for low-cost monolithic single-chip integration that one can envision a new class of systems and applications for low delay and high throughput connectivity, which forms the foundation for the 5G revolution. In this presentation, we focus on recent breakthroughs at Maja Systems enabling Terabit wireless connectivity. These products are enabled with highly integrated CMOS radios combined with novel surface mount antenna.

  • 10:20 COFFEE BREAK (Mt. Curie Foyer, Sutcliffe Foyer)


  • 10:40 Yahya Tousi, University of Minnesota (

    Integrated phased arrays for next-generation mm-wave and sub-mm-wave wireless systems

    Millimeter and sub-millimeter wireless systems bring the promise of a new generation of applications capable of wide bandwidth, low latency, and line-of-sight spatial multiplexing. Phased array transceiver architectures that can support a large number of elements while providing accurate phase and amplitude control are fundamental to the realization of such systems. In this talk, we discuss current limitations in scaling the size of a millimeter-wave phased array as well as challenges in accurate control of the beam. Next, we present a distributed approach in designing phased arrays and phase shifters that allow significant improvement in the size of the array as well as the conceivable accuracy of the beam pattern, demonstrating phased array prototypes with better scalability and accuracy than the state-of-the-art.

  • 11:00 Syed Kamrul Islam, University of Tennessee, Knoxville ( with I. Mahbub

    Low-power wireless wearable sensors: past trends and future directions

    In recent years, low-power wearable sensors have become a promising choice for advanced healthcare monitoring. Advancement of sensing technology fueled by prolific growth of wireless technologies facilitates continuous health monitoring of patients to detect disorders in the early stages of their progression. The next generation healthcare technologies will require continuous monitoring of vital information via wireless medium which will facilitate in-home care services preventing potential life-threatening events for the patient without requiring hospitalization. Wireless devices for monitoring of vital signs and other physiological parameters play a significant role in advancing the modern home-based healthcare applications. In general, biomedical signals have low frequency and thus require a low-data-rate transmitter for transmitting the data wirelessly. Unlike the traditional radios for cellular application, biomedical wireless devices do not require to transmit the data with high emission power as they are designed primarily for short-range communication. Most of these radios are either powered by the energy harvested from the ambient sources or tiny Li-polymer batteries. For such an energy constrained environment, the challenges lie in the design of a low-power radio which can sustain the short-range communication (~1-2 m) link for a long period of time without compromising the bit-error-rate (BER) requirement. The talk will include a discussion on various low- power circuit design techniques for biomedical sensors as well as recently published low-power radio architectures and approaches for wearable low-data-rate biomedical sensing applications. The current trend of smart cognitive radio that can sense the spectrum and transmit and receive the signal through the unoccupied channels by hopping into different frequencies will be elaborated in the talk. Finally, the talk will conclude with the discussion of future research directions towards the implementations of energy-efficient and spectrum efficient low-power radio modules suitable for various wearable sensing applications.

  • 11:20 Farhana Sheikh, Intel (

    Adaptive and multi-mode baseband systems for next generation wireless communication

    System adaptivity has been studied since the mid-60s and recently there has been a surge in interest in self-adaptive systems, especially in the software engineering community, with its main application to cybernetics. In this work, we apply self-adaptivity to multi-mode baseband processing systems for 5G wireless communications to exploit channel characteristics to modify the computation of digital baseband processing subsystems for energy savings. The gains from self-adaptivity are exemplified in the design of lattice reduction aided MIMO detection and extended out to other baseband subsystems such as multi-mode FIR filters, and multi-point FFT computation.

  • 11:40 Eran Socher, Tel-Aviv University (

    THz CMOS radiating transceivers and arrays for future connectivity and sensing

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