LEAP: A latency control protocol for multi-path data delivery with pre-defined QoS guarantees

Wireless Gigabit networks based on the 5G New Radio and WiGig standards are expected to enable new throughput-intensive applications such as Virtual/Augmented Reality, high-resolution video chats, and remote control of unmanned terrestrial and aerial vehicles. However, the interactive nature of such applications implies the need for reliable and timely delivery ...

Demo abstract — Design and implementation of an open source NB-IoT eNB

Narrowband Internet-of-things (NB-IoT) is a new standard developed by 3rd generation partnership project (3GPP) to provide IoT services in licensed spectrum. It adopts existing LTE-Advanced (LTE-A) orthogonal frequency-division multiple access (OFDMA) technology but each carrier only requires 180 kHz bandwidth. It allows an operator to replace a GSM carrier (200 ...

Real world home blood pressure variability in over 56,000 individuals with nearly 17 million measurements

  • Kim K.
  • Nikzad N.
  • Normand A.
  • Quer G.
  • Schmidt N.
  • Steinhubl S.
  • Topol E.
  • Vegreville M.
  • Wineinger N.

© American Journal of Hypertension, Ltd 2017. All rights reserved. BACKGROUND: Using the data from 56,365 individuals, from 185 countries, and a Nokia Health Wireless blood pressure (BP) monitor, we investigated real-world characteristics of BP variability (BPV). METHODS: All included individuals self-measured and uploaded their BP using Bluetooth at least ...

An Enhanced Selected Mapping Technique for Joint PAPR Reduction and Impulsive Noise Suppression in Multi-Carrier Powerline Communications Systems

  • Gacanin H.
  • O. Muta
  • T. Kageyama

In power line communication (PLC) systems using multi-carrier modulation such as orthogonal frequency division multiplexing (OFDM), reduction of peak-to-average power ratio (PAPR) of OFDM signal and mitigation of the influence of impulsive noise are challenging problems. To deal with these problems in PLC-OFDM systems, this paper proposes an enhanced selected ...

Achieving Ultra-Reliable Low-Latency Communications: Challenges and Envisioned System Enhancements

  • Li Zexian
  • Pedersen K.
  • Pocovi G.
  • Steiner J.

Ultra-reliable low-latency communications (URLLC) have the potential to enable a new range of applications and services: from wireless control and automation in industrial environments, to self-driving vehicles. The fifth generation (5G) wireless systems are faced by different challenges for supporting URLLC. Some of the challenges, particularly in downlink direction, are ...

SDN-based Wi-Fi Direct Clustering for Cloud Access in Campus Networks

  • Hamidouche L.
  • Iskounen S.
  • Mathieu F.
  • Monnet S.
  • Nguyen T.

Mobile cloud is changing the way to enroll teaching activities in university campus. Lectures and lab sessions can be carried out directly from tablets in a class room by accessing a server in the cloud. In this paper, we address the problem of high density cloud access with wireless devices ...

Collaborative Energy and Information Transfer in Green Wireless Sensor Networks for Smart Cities

  • Gong Y.
  • Liu X.
  • Lu W.
  • Peng H.
  • Wu J.

Smart city is able to make the city source and infrastructure more efficiently utilized, which improves the quality of life for citizens. In this framework, wireless sensor networks (WSNs) play an important role to collect, process, and analyze the corresponding information. However, the massive deployment of WSNs consumes a significant ...

Coded Tandem Spreading Multiple Access for Massive Machine-Type Communications

  • Ai B.
  • Chen X.
  • Guan H.
  • Ma G.
  • Wang F.
  • Zhao Z.
  • Zhong Z.

Future IoT applications provoke the connectivity and reliability requirements of machine-type communications, which yield mMTC and URLLC, respectively. In mMTC, grant-free NOMA is adopted to serve massive machine-type devices with low signaling overhead. The challenge of grantfree NOMA for mMTC is the collision induced by non-orthogonal resource allocation. Various grantfree ...

Channel estimation and throughput evaluation for 5G wireless communication systems in various scenarios on high speed railways

  • He R.
  • Wang G.
  • Wang X.
  • Zhao Y.
  • Zhao Z.
  • Zou Y.

The fifth generation (5G) wireless communication is currently a hot research topic and wireless communication systems on high speed railways (HSR) are important applications of 5G technologies. Existing studies about 5G wireless systems on high speed railways (HSR) often utilize ideal channel parameters and are usually based on simple scenarios. ...

UL SRS Coordination in 5G Massive MIMO Systems

  • Baracca P.
  • Campanalonga L.
  • Galati Giordano L.
  • Garcia Rodriguez A.
  • Geraci G.
  • Lopez-Perez D.
  • Magarini M.

In massive multiple input multiple output (MIMO) systems operating in time division duplex (TDD), users connected to different base stations (BSs) transmit uplink (UL) pilot sequences to allow channel estimation for both UL and downlink (DL) directions. The ongoing standardization activity around the fifth generation (5G) of communication systems is ...

Scheduling in multi-wavelength ring-based optical networks-on-chip

Synchronous networks-on-chip (NoC) require tailored schedulers achieving low latency, high throughput, and fairness while avoiding packet collisions. Efficient schedulers exist for rearrangeable non-blocking NoC. However, NoCs fabricated in integrated photonics typically suffer a blocking behavior due to the limitations of the switching capabilities in the space and wavelength domains. This ...

Variable-rate ultra-reliable and low-latency communication for industrial automation

Ultra-reliable and low-latency communications (URLLC) is an increasingly important aspect of wireless communications in the 5th generation mobile networks (5G) era, specifically in the context of wireless mission-critical communications for factory automation. This paper proposes a pilot-assisted variable rate URLLC scheme for the downlink (DL) of a factory automation network ...

Network Slicing & Softwarization: A Survey on Principles, Enabling Technologies & Solutions

  • Flinck H.

Network slicing has been identified as the backbone of the rapidly evolving 5G technology. However, as its consolidation and standardization progress, there are no literatures that comprehensively discuss its key principles, enablers and research challenges. This paper elaborates network slicing from an endto- end perspective detailing its historical heritage, principal ...

Variable Rate Ultra-Reliable and Low-Latency Communication for Industrial Automation

  • Khosravirad S.
  • Viswanathan H.

Ultra-reliable low-latency communication (URLLC) is an increasingly important aspect of wireless communications in the 5th generation mobile networks (5G) era. Specifically, in the context of wireless mission-critical communication for factory automation where the most demanding reliability requirement of nine nines figure is considered for isochronous packet delivery in highly constrained ...

Quater-Imaginary for Complex Arithmetic Circuits

  • Gomony M.
  • Sarkar S.

Arithmetic operations involving complex numbers are widely used in the signal processing functions of the physical layer of modern wireless and wireline communication systems, electronic instrumentation and control systems. With the ever increasing throughput requirements of the communication standards, the power consumption of the hardware realization is going beyond the ...

Benefit of progressive deployment of regenerators along with traffic growth in WDM elastic networks

  • Morea A.
  • Pesic J.
  • Zami T.

We present a new strategy of regenerator placement along with traffic growth in the elastic WDM networks, by introducing additional regenerators on the already allocated connections only from when needed to accommodate extra demand of capacity

MIMO Equalization for High-Speed Communication Under Channel Variability

  • Dries Vande Ginste
  • Guenach M.
  • Jelle Bailleul
  • Lennert Jacobs
  • Marc M.
  • Paolo Manfredi

High-speed communication over mutually coupled channels can be severely affected by intersymbol interference (ISI) and crosstalk (XT). Multiple-input multiple-output (MIMO) equalization is known to mitigate both ISI and XT, but requires accurate channel information at the receiver (RX) and/or transmitter (TX) when the channel is stochastic. However, since adjusting the ...

Ultra-High Bandwidth Integrated Lithium Niobate Modulators with Record-Low Vpi

  • Bertrand M.
  • Chen X.
  • Loncar M.
  • Sethumadhavan C.
  • Shams-Ansari A.
  • Wang C.
  • Winzer P.
  • Zhang M.

We demonstrate integrated lithium niobate electro-optic modulators with up to 100-GHz electro-optic bandwidth and Vpi as low as 1.4 V. We show 70 GBaud and 100 GBuad m-ASK modulation with the fabricated modulator.

Record-High 17.3-bit/s/Hz Spectral Efficiency Transmission over 50 km Using Probabilistically Shaped PDM 4096-QAM

  • Burrows E.
  • Chen X.
  • Cho J.
  • Olsson S.
  • Sethumadhavan C.
  • Winzer P.

We demonstrate transmission of a 10-subcarrier superchannel with a record-high intra-channel spectral efficiency of 17.3 bit/s/Hz over 50-km backward Raman amplified Corning Vascade EX2000 fiber using 3-GBd probabilistically shaped PDM 4096-QAM.

Scalable Mode sorter supporting 210 Hermite-Gaussian modes

  • Carpenter J.
  • Chen H.
  • Fontaine N.
  • Kim K.
  • Neilson D.
  • Ryf R.

We demonstrate a multi-plane light conversion device based on 7 planes which maps Hermite-Gaussian spatial modes with indices (m,n) onto a Cartesian grid (x,y) of diffraction limited spots for 210 spatial modes.