EAI Endorsed Transactions on Cognitive Communications

Issue 7, 2016

Editor(s)-in-Chief: Tao Chen

Articles
Information

Consensus-based Spectrum Sensing in Cognitive Radio Networks
Appears in:
cogcom 16(7): e1

Authors:
Natalia Y. Ermolova, Olav Tirkkonen

Abstract:
In this work, we analyze a distributed cooperative spectrum sensing scheme where N secondary users (SUs) of a cognitive wireless net-work make a joint decision on the primary user (PU) presence based on an agreement reached through interchanging of SU’s individual decisions. The operational protoc…In this work, we analyze a distributed cooperative spectrum sensing scheme where N secondary users (SUs) of a cognitive wireless net-work make a joint decision on the primary user (PU) presence based on an agreement reached
through interchanging of SU’s individual decisions. The operational protocol assumes that each SU updates the personal de-cision by using the “K-out-of-N” rule, and the network detects the PU if the nodes reach the consensus. The problem of forming a joint opinion becomes challenging because a SU makes its personal decision based on local observations distorted by a wireless propagation medium. In this paper, we analyze statistics of factors affecting the algorithm efficiency and obtain sufficient conditions of reaching consensus. The presented analysis takes into account possible node disconnections caused by poor propagation conditions.
more »
Coopetitive Business Models in Future Mobile Broadband with Licensed Shared Access (LSA)
Appears in:
cogcom 16(7): e2

Authors:
P. Ahokangas, M. Matinmikko, I. Atkova, L.F. Minervini, S. Yrjölä, M. Mustonen

Abstract:
Spectrum scarcity forces mobile network operators (MNOs) providing mobile broadband services to develop new business models that address spectrum sharing. It engages MNOs into coopetitive relationship with incumbents. Licensed Shared Access (LSA) concept complements traditional licensing and helps …Spectrum scarcity forces mobile network operators (MNOs) providing mobile broadband services to develop new business models that address spectrum sharing. It engages MNOs into coopetitive relationship with incumbents. Licensed Shared Access (LSA) concept complements traditional licensing and helps MNOs to access new spectrum bands on a shared basis. This paper discusses spectrum sharing with LSA from business perspective. It describes how coopetition and business model are linked conceptually, and identifies the influence of coopetition on future business models in LSA. We develop business
models for dominant and challenger MNOs in traditional licensing and future with LSA. The results indicate that coopetition and business model concepts are linked via value co-creation and value co-capture. LSA offers different business
opportunities to dominant and challenger MNOs. Offering, value proposition, customer segments and differentiation in business models become critical in mobile broadband.
more »
Receiving more than data - a signal model, theory and implementation of a cognitive IEEE 802.15.4 receiver
Appears in:
cogcom 16(7): e3

Authors:
Tim Esemann, Horst Hellbrück

Abstract:
Standard medium access schemes sense the channel immediately prior transmission, but are blind during the transmission. Therefore, standard transceivers have limited cognitive capabilities which are important for operation in heterogeneous radio environments. Specifically, mobile interferers move g…Standard medium access schemes sense the channel immediately prior transmission, but are blind during the transmission. Therefore, standard transceivers have limited cognitive capabilities which are important for operation in heterogeneous radio environments. Specifically, mobile interferers move gradually into the reception range before actually causing collisions. These gradual interferences cannot yet be detected, and upcoming collisions cannot be predicted. We present a theoretical analysis of the received and demodulated signal. This analysis and the derived signal model verifies that the received signal contains more than transmitted data exclusively. Enhanced signal processing extracts signal components of an interference at the receiver and enables advanced interference detection to provide information about approaching mobile interferers. Our theoretical analysis is evaluated by simulations and experiments with an IEEE 802.15.4
transmitter and an extended cognitive receiver.
more »
Proof-of-Concept System for Opportunistic Spectrum Access in Multi-user Decentralized Networks
Appears in:
cogcom 16(7): e4

Authors:
Sumit J. Darak, Christophe Moy, Jacques Palicot

Abstract:
Poor utilization of an electromagnetic spectrum and ever increasing demand for spectrum have led to surge of interests in opportunistic spectrum access (OSA) based paradigms like cognitive radio and unlicensed LTE. In OSA for decentralized networks, frequency band selection from wideband spectrum i…Poor utilization of an electromagnetic spectrum and ever increasing demand for spectrum have led to surge of interests in opportunistic spectrum access (OSA) based paradigms like cognitive radio and unlicensed LTE. In OSA for decentralized networks, frequency band selection from wideband spectrum is a challenging task since secondary users (SUs) do not share any information with each other. In this paper, a new decision making policy (DMP) has been proposed for OSA in the multi-user decentralized networks. First contribution is an accurate characterization of frequency bands using Bayes-UCB algorithm. Then, a novel SU orthogonization scheme using Bayes-UCB algorithm is proposed replacing randomization based scheme. At the end, USRP
testbed has been developed for analyzing the performance of DMPs using real radio signals. Experimental results show that the proposed DMP offers significant improvement in spectrum utilization, fewer subband switching and collisions compared to other DMPs.
more »
Scenarios and business models for mobile network operators utilizing the hybrid use concept of the UHF broadcasting spectrum
Appears in:
cogcom 16(7): e5

Authors:
S. Yrjölä, P. Ahokangas, P. Talmola

Abstract:
This paper explores and presents scenarios and business models for mobile network operators (MNOs) in the novel hybrid use spectrum sharing concept of the Ultra High Frequency broadcasting spectrum (470-790 MHz) used for Digital Terrestrial TV (DTT) and Mobile Broadband (MBB). More flexible use of …This paper explores and presents scenarios and business models for mobile network operators (MNOs) in the novel hybrid use spectrum sharing concept of the Ultra High Frequency broadcasting spectrum (470-790 MHz) used for Digital Terrestrial TV (DTT) and Mobile Broadband (MBB). More flexible use of the band could lead to higher efficiency in delivering fast growing and converging MBB, media and TV content to meet changing consumer needs. On one hand, this could be beneficial for broadcasters (BC), e.g., by preserving the spectrum, by providing additional revenues, or by lowering cost of the spectrum and, on the other hand, for MNOs to gain faster access to new potentially lower cost, licensed, below 1GHz spectrum to cope with booming data traffic. As a collaborative benefit, the concept opens up new business opportunities for delivering TV and media content using MBB network with means to introduce this flexibly. This paper highlights the importance of developing sound business models for the new spectrum use concept, as they need to provide clear benefits to the key stakeholders to be adopted in real life. The paper applies a future and action oriented approach to the MBB using the concept to derive scenarios and business models for MNOs for accessing hybrid UHF bands. In order to address the convergence and transformation coming with the concept, business models are first developed for the current situation with separate exclusive spectrum bands. Novel business scenarios are then developed for the introduction of the new flexible hybrid UHF spectrum concept. The created business model indicates that the MNOs could benefit significantly from the new UHF bands, which would enable them to cope with increasing data traffic asymmetry, and to offer differentiation through personalized broadcasting and new media services. Moreover, it could significantly re-shape the business ecosystem around both the broadcasting and the mobile broadband by introducing new convergence opportunities in business and
technology for the 4G evolution towards 5G.
more »

Scope

This special issue will be composed from the extended versions of papers accepted for CROWNCOM 2016 conference. Authors are required to include at least 30% of new, yet unpublished material in the article. Research, requirement analysis and initial standardisation work towards the 5th generation of cellular systems have now been under way for a few years. The system requirements, ranging from extremely low set up and end to end delay, to the perception of infinite capacity will require novel system architecture solutions, but more importantly these requirements will increase the demand on wireless spectrum, accelerating the spectrum scarcity problem further. There has been a wide agreement that the fixed spectrum allocation and usage commonly adopted today are a bottleneck to 5G requirement fulfilment. Both academic and regulatory bodies have focused on dynamic spectrum access and or dynamic spectrum usage to optimize the scarce spectrum resource. These 5G systems will serve classical cellular services, but a large portion of traffic will be fed by machines and things. This machine type communication has yet specific requirements. They are much more delay sensitive and the fact that the expected tens of billions of devices will need to be reliably connected further increases the problem scale. Cognitive radio, with the capability to flexibly adapt its parameters, has been proposed as the enabling technology for unlicensed secondary users to dynamically access the licensed spectrum owned by legacy primary users on a negotiated or an opportunistic basis. It is now perceived in a much broader paradigm that will contribute to solve the resource allocation problem that 5G requirements raise. The aim of CROWNCOM 2016 is to bring together researchers from academia, industry, standards, and policy to present their new solutions of how cognitive radio systems will help deliver the required capacity at the right delay in the future 5G networks.

Topics

The scope of the transactions includes, but not limited to:

Information-theoretic aspects of cognitive communication systems
Spectrum sensing and dynamic spectrum access
Spectrum pricing, economics models and game-theoretical strategies
Interference analysis and statistical mode…

The scope of the transactions includes, but not limited to:

Information-theoretic aspects of cognitive communication systems
Spectrum sensing and dynamic spectrum access
Spectrum pricing, economics models and game-theoretical strategies
Interference analysis and statistical models of spectrum usage
Physical (PHY) layer design for cognitive radios
Dynamic medium access control techniques for cognitive communication systems
Dynamic resource allocation in cognitive communication systems
Co-existence of heterogeneous networks
Artificial intelligence and machine learning for cognitive communication systems
Context-aware, emotion-aware, as well as personalized cognitive communication systems
(Big) data analytics for cognitive communication systems
Cognitive communication systems for the Internet of Things (IoT)
Bio-inspired communication systems
Cooperative techniques in cognitive communication systems
Cross-layer optimization for cognitive communication systems
Routing and network technologies for cognitive communication systems
Trust, security, and privacy issues in cognitive communication systems
Energy-efficiency design in cognitive communication systems
Software defined radio
Self-organizing, self-aware, and self-adaptive networks
Applications enabled by cognitive communication systems
Open source for cognitive communications

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Antti Anttonen (VTT, Finland)
Aawatif Hayar (University Hassan II Casablanca, Morocco)
Abdur Rahim Biswas (Create-Net, Italy)
Bo Li (Harbin Institute of Technology at Weihai)
Fei Wang (Nanjing University of Aeronautics and Astronautics)
Hong Jiang (South West University…

Antti Anttonen (VTT, Finland)
Aawatif Hayar (University Hassan II Casablanca, Morocco)
Abdur Rahim Biswas (Create-Net, Italy)
Bo Li (Harbin Institute of Technology at Weihai)
Fei Wang (Nanjing University of Aeronautics and Astronautics)
Hong Jiang (South West University of Science and Technology)
Javier Del Ser (Tecnalia and University of the Basque Country)
Javier Jel Ser (TECNALIA Research & Innovation, Spain)
Jianhua Zhang (Beijing University of Posts and Telecommunications, China)
Lijun Qian (Prairie View A&M University, USA)
Marcos Katz (University of Oulu, Finland)
Mikko Valkama (Tampere University of Technology, Finland)
Pinyi Ren (Xi’an Jiaotong University, China)
Tao Han (Huazhong University of Science and Technology)
Wei Cheng (The George Washington University, USA)
Weidang Lu (Zhejiang University of Technology)
Xianfu Chen (VTT, Finland)
Xiang Chen (Tsinghua University, China)
Xiangping Zhai (Nanjing University of Aeronautics and Astronautics)
Xiaolong Yang (Chongqing University of Posts and Telecommunications)
Xuanheng Li (Dalian University of Technology)
Xueyan Zhang (Dalian University of Technology)
Yan Zhang (Simula Research Laboratory, Norway)
Yong Wang (Chongqing University of Posts and Telecommunications)
Zheng Chang (University of Jyväskylä)
Zhengquan Li (School of Iot Engineering, Jiangnan.University)
Zhenyu Na (School of Information Science and Technology, Dalian Maritime University)
Zhiwei Mao (Fairleigh Dickinson University, USA)
Murat Kuscu (Koc University, Turkey)
Pandelis Kourtessis (University of Hertfordshire, UK)
Klaus Moessner (University of Surrey, UK)

Journal Blurb

<p>This journal is closed, meaning new submissions are not being considered. We have merged the journal with <a title="EAI Endorsed Transactions on Mobile Communications and Applications" href="http://eudl.eu/journal/mca">EAI Endorsed Transactions on Mobile Communications and Applications</a>, thus…

Publisher: EAI
ISSN: 2313-4534
Volume: 2

Published: 2016-09-05

Consensus-based Spectrum Sensing in Cognitive Radio Networks

Coopetitive Business Models in Future Mobile Broadband with Licensed Shared Access (LSA)

Receiving more than data - a signal model, theory and implementation of a cognitive IEEE 802.15.4 receiver

Proof-of-Concept System for Opportunistic Spectrum Access in Multi-user Decentralized Networks

Scenarios and business models for mobile network operators utilizing the hybrid use concept of the UHF broadcasting spectrum

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