Double Iterative Waterfilling for Sum Rate Maximization in Multicarrier NOMA Systems

  • Chen C.
  • Chi Wan Sung
  • Marceau Coupechoux
  • Salaun L.
  • Yaru Fu

This paper investigates the subcarrier and power allocation for the downlink of a multicarrier non-orthogonal multiple access (MC-NOMA) system. A three-step algorithm is proposed to deal with the sum rate maximization problem. First, we assume each user could use all the subcarriers simultaneously and apply the synchronous iterative waterfilling algorithm ...

Compressive high-speed stereo imaging

  • Pang S.
  • Sun Y.
  • Yuan X.

A compressive high-speed stereo imaging system is reported. The system is capable of reconstructing 3D videos at a frame rate 10 times higher than the sampling rate of the imaging sensors. An asymmetric configuration of stereo imaging system has been implemented by including a high-speed spatial modulator in one of ...

An experimental system for verifying topology changes in mobile communication networks

  • Ali-Tolppa J.
  • Carle G.
  • Sanneck H.
  • Tsvetkov T.

Automatic Configuration Management (CM) parameter change assessment, the so-called Self-Organizing Network (SON) verification, is an important enabler for stable and high-quality modern mobile communication networks. However, it also presents a new set of challenges. While improving network stability and resolving unexpected conflicts caused by parallel configuration changes, SON verification can ...

An adaptive detection and prevention architecture for unsafe traffic in SDN enabled mobile networks

  • Kantola R.
  • Khatri V.
  • Monshizadeh M.

The forthcoming 5G cloud networks will utilize software defined networking (SDN) and network functions virtualization (NFV) to provide new services. However, applying these technologies introduce new threats to network. To detect the security attacks and malicious traffic both on end user and cloudified mobile network, we apply centralized monitoring and ...

Sharing performance measurement events across domains

  • Apajalahti K.
  • Kapoor S.
  • Niiranen J.
  • Raisanen V.

Network management activities, such as fault analysis and configuration management, are eventually related to changes in network measurements. Some measurement event might be either a trigger or objective of a management activity. We argue that sharing the semantics of performance data across networks provides a basis for more advanced automation. ...

A Web-based framework for fast synchronization of live video players

  • De Turck F.
  • De Vleeschauwer D.
  • Pauwels D.
  • Petrangeli S.
  • Van Der Hooft J.
  • Wauters T.

The increased popularity of social media and mobile devices has radically changed the way people consume multimedia content online. As an example, users can experience the same event (e.g. a sports event or a concert) together using social media, even if they are not in the same physical location. Moreover, ...

Layer-independent PCI assignment method for Ultra-Dense multi-layer co-channel mobile Networks

  • Ali-Tolppa J.
  • Mwanje S.

Ultra-Dense Networks (UDNs) are Heterogeneous Networks (HetNets) that deploy a high density of small cells over-laying the traditional macro cells. If several Long Term Evolution (LTE) layers share the available spectrum, assigning the Physical Cell Identities (PCIs) becomes complicated due to the density and the diversity of the network. Since ...

Analysis of a large multimedia-rich web portal for the validation of personal delivery networks

  • Bostoen T.
  • De Turck F.
  • Huysegems R.
  • Petrangeli S.
  • Rahman R.
  • Van Der Hooft J.
  • Verzijp N.
  • Wauters T.

With the increasing popularity of multimedia-rich web portals, reducing latency has become more and more important. The current median web page load time is in the order of seconds, while research has shown that user waiting times must remain below two seconds to achieve optimal acceptance. In this paper, we ...

On non-parametric models for detecting outages in the mobile network

  • Camino R.
  • Falk E.
  • Gurbani V.
  • State R.

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 ...

SDN-based transparent flow scheduling for heterogeneous wireless LANs

  • Bosch P.
  • De Schepper K.
  • De Schepper T.
  • Famaey J.
  • Hawinkel C.
  • Latre S.
  • Zeljkovic E.

The current local area networks (LANs) are occupied by a large variety of heterogeneous consumer devices, equipped with the ability to connect to the Internet using a variety of different network technologies (e.g., Ethernet, 2.4 and 5GHz Wi-Fi). Nevertheless, devices generally opt to statically connect using a single technology, based ...

On wireless networks for the era of mixed reality

  • Bouwen J.
  • Doppler K.
  • Torkildson E.

Mixed reality services promise to enhance our lives by providing us with real-time immersive media and contextual information delivered through lightweight wireless head mounted displays. We introduce a perception based mixed reality video streaming platform that reduces the data rate requirements for such services from several Gbps to 100 Mbps ...

5G E-band backhaul system evaluations: Focus on moving objects and outdoor to indoor transmission

  • Aronkyto K.
  • Du Z.
  • Kapanen J.
  • Ohlmer E.
  • Putkonen J.
  • Swist D.

It is expected that small cells will carry more than half of the total traffic in 5G, resulting in a huge increase of wireless backhaul traffic. To successfully design and deploy the mmW backhaul system, it is essential to evaluate the performance in different scenarios, also links installed in low ...

5G NORMA: System architecture for programmable & multi-tenant 5G mobile networks

  • Breitbach M.
  • Doll M.
  • Droste H.
  • Mannweiler C.
  • Pavon I.
  • Sanchez J.
  • Schneider P.
  • Ucar I.

This paper describes the status of the 5G NORMA architecture after the second design iteration. It integrates the control and data layer functions developed in the project into a harmonized mobile network architecture, applying the paradigms of adaptive (de-) composition and allocation of network functions (NFs), programmable network control, and ...

Multi-service SDN controlled reconfigurable long-reach optical access network

  • Blumm C.
  • Bonk R.
  • Brandonisio N.
  • Carey D.
  • Hill A.
  • Mcgettrick S.
  • Naughton A.
  • Ossieur P.
  • Parsons N.
  • Payne D.
  • Pfeiffer T.
  • Porto S.
  • Ruffini M.
  • Slyne F.
  • Talli G.
  • Townsend P.

The convergence of multiple service demands and different user types on a single physical layer can be enabled by dynamically reconfigurable time-division multiplexing (TDM) dense wavelength division multiplexing (DWDM) long-reach passive optical networks (PONs). In this paper we demonstrate two TDM-DWDM PON designs, the first one for densely populated urban ...

Vehicle clustering for improving enhanced LTE-V2X network performance

  • Bennis M.
  • Horneman K.
  • Latva-Aho M.
  • Luoto P.
  • Pirinen P.
  • Samarakoon S.

Vehicle-to-Everything (V2X) communication holds the promise for improving road safety and reducing road accidents by enabling reliable and low latency services for vehicles. Vehicles are among the fastest growing type of connected devices. Therefore, there is a need for V2X communication, i.e., passing of information from Vehicle-to-Vehicle (V2V) or Vehicle-to-Infrastructure ...

Coordinated multi-cell resource allocation for 5G ultra-reliable low latency communications

  • Hytonen V.
  • Li Z.
  • Nurmela V.
  • Soret B.

The coming 5G cellular communication system is envisioned to support a wide range of new use cases on top of regular cellular mobile broadband services. One of the 5G usage scenarios is ultra-reliable low-latency communications (URLLC). It has been predicted that URLLC will play an essential role in enabling wireless ...

The 5D approach to control and manage smart spaces

  • Flinck H.
  • Hatonen S.
  • Mineraud J.
  • Rao A.
  • Tarkoma S.

Our homes, offices, and other spaces are expected to evolve into smart spaces served by devices having varying requirements and capabilities. To efficiently control and manage these devices, their controllers needs to be designed using the correct abstraction for the devices. In this paper, we present an abstraction for the ...

Hybrid paging and location tracking scheme for inactive 5G UEs

  • Hailu S.
  • Saily M.

User Equipment (UE) paging and location tracking are influenced by the underling state handling model. There are recent proposals to introduce a new RRC state called RRC Inactive as a main state for inactive UEs in 5th Generation (5G) cellular systems. One of the characteristics of the new state is ...

Configurable 5G air interface for high speed scenario

  • Hulkkonen J.
  • Karjalainen J.
  • Kinnunen P.
  • Latva-Aho M.
  • Luoto P.
  • Pajukoski K.
  • Rikkinen K.

In fifth generation (5G) networks one target is to provide very high capacity wireless access for the places where a lot of people consume a lot of data. Wireless communication is needed to provide access to high moving vehicles, however, extreme velocities must be taken into account in the design. ...

Coordination of SON Functions in Multi-vendor Small Cell Networks

With the increase of network complexity, there is a high need for network management automation. This is achieved thanks to Self-Organizing Network (SON) principles that enable self-configuration, self-optimization and self-healing procedures. However, even though the SON functions are meant to be autonomous themselves, a high level of coordination among them ...