Experimental Study of Electro-Optic Crosstalk in Parallel Silicon Photonic Mach-Zehnder Modulators

  • Chen X.
  • De Valicourt G.
  • Dong P.
  • Jiang Lingjun
  • Kim K.
  • Zhaoran Rena Huang

The electro-optic crosstalk between two parallel silicon Mach-Zehnder modulators is characterized. Up to 1.6-dB power penalty and 2.5-dB OSNR sensitivity degradation are observed for 36-Gb/s on-off-keying signals, posing challenge to dense photonic integration.

Accurate Calculation of Modal Refractive Indices in Slightly Elliptical Optical Fibers

  • Agrawal G.
  • Antikainen A.
  • Essiambre R.

We present a novel perturbation approach to accurately calculate the effects of core ellipticity on the modal propagation constants in step-index fibers. The method enables simple computation of the mode profiles and their effective indices.

On-chip detection of immune-cell secretion using a circular nanoplasmonic interferometer array

  • Bartoli F.
  • Cheng X.
  • Gan Q.
  • Gao Y.
  • Kumar S.
  • Li H.
  • Qian Y.
  • Zeng X.

The MMP-9 protein secreted by THP1 cells was detected using an on-chip circular nanoplasmonic interferometer array. Sensitive dynamic analysis of MMP-9 in the supernatant was demonstrated, suggesting the device a potential for cell function analysis.

An improvement in delay mismatch tolerance for 128 Gbaud 16QAM spectral slicing transmission system employing multicarrier technique

  • Le S.
  • Megret P.
  • Nguyen T.
  • Wuilpart M.

We demonstrate for the first time the remarkable delay mismatch tolerance of the filter bank multicarrier over orthogonal frequency division multiplexing for the transmission of a 128 Gbaud 16QAM supersignal with single coherence receiver.

Nonlinear Fourier based spectral filtering

  • Derevyanko S.
  • Kamalian M.
  • Le S.
  • Prilepsky J.
  • Turitsyn S.

The new concept of filtering the nonlinear spectrum of signal in order to reduce the noise-induced signal degradation is introduced and, as the result, the performance improvement at high powers is demonstrated.

A Novel Ultra-broadband, Hybrid High-Low Band Wireless Access

  • Calin D.
  • Kaya A.
  • Viswanathan H.

This paper addresses the design of an ultra-broadband wireless access system, as an alternative to fiber to the home (FTTH) deployments. Hence, the system must be capable of delivering very high data rates to indoor users without the need of deploying fiber to homes. We show that a hybrid wireless ...

Impact of Humans on the Design and Performance of Millimeter Wave Cellular Networks in Stadiums

  • Calin D.
  • Jeffrey G. Andrews
  • Kaya A.
  • Mandar N. Kulkarni

We use 3-D ray tracing to evaluate the performance of millimeter wave (mmWave) cellular in a realistic model of MetLife stadium, NJ, USA. We model thousands of human blockages using the dielectric properties at 28GHz. Using this setup, we contrast the coverage and capacity performance with and without human blockages. ...

Cost-aware fronthaul rate allocation to maximize benefit of multi-user reception in C-RAN

  • Boviz D.
  • Chen C.
  • Yang S.

Aiming throughput enhancement in future mobile networks dense deployment of wireless access points (APs) is intended. Spectral efficiency on the uplink can be improved via joint processing of users located in areas covered by several APs. Thanks to centralized processing of such users offered by Cloud Radio Access Network (C-RAN) ...

Enhanced Split TCP with End-to-End Protocol Semantic over Wireless Networks

  • Calin D.
  • Kim B.
  • Lee I.

The global mobile traffic is exponentially growing and more than 90% of the Internet traffic uses Transmission Control Protocol (TCP) for reliable transmission. However, TCP is known to perform poorly over unreliable wireless networks. One of the promising families of solutions to improve the performance of TCP is centered on ...

On Medium and Long Term Channel Conditions Prediction for Mobile Devices

  • Faucher D.
  • Grinshpun E.
  • Sharma S.
  • Wang X.

With wireless spectrum being a precious commodity, the knowledge of the future wireless channel conditions is very valuable. Channel condition maps enable wireless service providers to identify and fix coverage gaps as they build their networks and deploy a variety of self-optimization technologies. Knowing future channel conditions for an individual ...

A novel joint coding scheme for downlink non-orthogonal multiple access (NOMA)

  • Bo Ai
  • Deshan Miao
  • Fanggang Wang
  • Guoyu Ma
  • Hao G.
  • Xia Chen
  • Xianan Hu
  • Zhuyan Z.

Non-orthogonal multiple access (NOMA) is a promising candidate for future 5G multiple access. Particularly NOMA uses power domain for multiple access and successive interference canceler (SIC) algorithm for multiuser detection (MUD). Different from the current downlink transmission scheme for NOMA, a novel joint coding scheme is proposed in this paper ...

Interference Impact on Coverage and Capacity for Low Power Wide Area IoT Networks

  • Kovacs I.
  • Lauridsen M.
  • Mogensen P.
  • Nguyen H.
  • Sorensen M.
  • Vejlgaard B.

In this paper we analyze and discuss the coverage and capacity of Sigfox and LoRaWAN in a large scale urban environments covering 150 km2 in Northern Denmark. First, the study measures and analyzes interference in the European 868 MHz license free industrial, scientific, and medical band, creating a model for ...

Impact of Mobility on the Reliability Performance of 5G Multi-Connectivity Architectures

  • Awada A.
  • Fettweis G.
  • Ohmann D.
  • Simsek M.
  • Viering I.

The support of mission-critical use cases is an ambitious goal of the upcoming fifth generation of mobile networks. In addition to challenging requirements regarding reliability and latency, particular use cases need to be supported in high mobility scenarios as well. To avoid extensive system simulations and enable studies of very ...

BalCon: A Distributed Elastic SDN Control via Efficient Switch Migration

  • Cello M.
  • Chao H.
  • Marchese M.
  • Walid A.
  • Wilfong G.
  • Xu Y.

Scalability and reliability are among the main concerns in large-scale Software Defined Networking (SDN) application scenarios. A common approach is to use multiple distributed controllers, each managing one static partition of the network. In this paper, we show that dynamic mapping can improve efficiency in managing traffic load variations. We ...

Low Complexity Hybrid Beamforming for Uplink Multiuser mmWave MIMO Systems

  • Yang T.
  • Zhu Y.

This paper considers a low-complexity hybrid beamforming (HBF) for uplink multiuser mmWave MIMO systems. The proposed scheme employs a two-stage beamforming design. In the first stage, the base station (BS) analog beamforming is designed to maximize the th user's signal-to-interference-plusnoise-ratio (SINR) in single-carrier systems and to maximize the sum rate's ...

Lipid Layers on Nanoscale Surface Topography: Stability and Effect on Protein Adsorption

  • Asadauskas S.
  • Beauvais M.
  • El Kirat K.
  • Lambert J.
  • Landoulsi J.
  • Liascukiene I.

Herein, we report the coating of a surface with a random nanoscale topography with a lipid film formed by an anchoring stearic acid (SA) monolayer and phospholipid (DPPC) layers. For this purpose, different procedures were used for phospholipid coating, including adsorption from solution, drop deposition, and spin-coating. Our results reveal ...

Coexistence-aware dynamic channel allocation for 3.5 GHz shared spectrum systems

  • Buddhikot M.
  • Roy S.
  • Ying X.

The paradigm of shared spectrum allows secondary devices to opportunistically access spectrum bands underutilized by primary owners. As the first step, the FCC targeted sharing the 3.5 GHz (3550–3700 MHz) federal spectrum with commercial systems. The proposed rules require a Spectrum Access System to implement a three-tiered spectrum management framework, ...

On Non-parametric Models for Detecting Outages in the Mobile Network

The wireless/cellular communications network is composed of a complex set of interconnected computation units that form the mobile core network. The mobile core network is engineered to be fault tolerant and redundant; small errors that manifest themselves in the network are usually resolved automatically. However, some errors remain latent, and ...

Towards edge-caching for image recognition

  • Drolia U.
  • Gandhi R.
  • Guo K.
  • Narasimhan P.
  • Tan J.

With the available sensors on mobile devices and their improved CPU and storage capability, users expect their devices to recognize the surrounding environment and to provide relevant information and/or content automatically and immediately. For such classes of real-time applications, user perception of performance is key. To enable a truly seamless ...

A 5G Lightweight Connectionless Protocol for Massive Cellular Internet of Things

  • Huang H.
  • Kahn C.
  • Samardzija D.
  • Tavares M.
  • Viswanathan H.

We present a novel protocol for massive cellular Internet of Things (IoT) based on the connectionless access approach. Our solution has very low signaling overhead and is thus very efficient for sporadic short burst traffic applications. Numerical analysis of the capacity achieved by our solution indicates that millions of (IoT) ...