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ICST
(263 results)-
Whitepapers
A Truthful Optimal Path Auction for DSA Networks
June 3, 2011, 12:00am PDT
In this paper, the authors address the problem of incentive based routing in DSA networks, where each secondary node having a certain capacity incurs a cost for routing traffic through it. They...
Provided by ICST
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Whitepapers
Dynamic Selection of CWmin in Cognitive Radio Networks for Protecting IEEE 802.11 Primary Users
June 3, 2011, 12:00am PDT
Time domain spectrum sharing between Primary User (PU) and Cognitive Radio (CR) networks is considered. The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is suitable...
Provided by ICST
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Whitepapers
Statistical Analysis of Interference Avoidance Based on Multi-Frequency RTS/CTS Cognitive Radio
June 3, 2011, 12:00am PDT
In order to avoid interference to primary users within cognitive radio, a multi-frequency RTS/CTS scheme is studied in this paper. Assuming that channels suffer from Rayleigh fading and shadowing,...
Provided by ICST
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Whitepapers
Proposal of Heterogeneous Wireless Communication Network With Soft Handover in Application Layer: Feasibility Study Based on Field Trial Results
June 3, 2011, 12:00am PDT
This paper proposes a heterogeneous wireless communication network with soft handover in the application layer. The proposed network requires no upgrades of wireless infrastructure and mobile...
Provided by ICST
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Whitepapers
Joint Admission Control for Cooperative Cognitive Radio Networks
June 3, 2011, 12:00am PDT
This paper studies the performance of admission control in Cognitive Radio Networks (CRNs). The authors propose a CRN architecture featuring cooperation among several CRNs in the same geographical...
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Whitepapers
A Novel Power Controlled Sensing Information Gathering for Cooperative Sensing on Shared Spectrum With Primary Spectrum
June 3, 2011, 12:00am PDT
This paper proposes a novel power controlled sensing information gathering for cooperative sensing on shared spectrum with primary system while jointly using individual sensing results at each...
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Whitepapers
Distributed Beam-Forming and Power Control in Multi-Relay Underlay Cognitive Radio Networks: A Game-Theoretical Approach
June 3, 2011, 12:00am PDT
In this paper, the authors propose a power control algorithm incorporating distributed beam-forming via multi-relay structure with underlay cognitive radio architecture. This problem is modeled as...
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Whitepapers
Spatially Varied Control Channel Assignment in Cognitive Radio Ad Hoc Networks
June 3, 2011, 12:00am PDT
In order to ease the control message exchange, a constantly available control channel is demanded in cognitive radio ad hoc networks. Due to the characteristics of the cognitive radio network,...
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Whitepapers
Cognitive WSN Transmission Control for Energy Efficiency Under WLAN Coexistence
June 3, 2011, 12:00am PDT
In this paper, the authors design a cognitive access scheme for WSNs that coexist with WLANs, considering the problem of blind and hidden WLAN terminals. The cognitive access scheme relies on...
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Whitepapers
Spectrum Map: Toward Predicting the Spatial Distribution of Spectrum Usage in CRNs
June 3, 2011, 12:00am PDT
Recent measurements on radio spectrum usage have revealed the abundance of under-utilized bands of spectrum that belong to licensed users. Prior knowledge about occupancy of such bands and...
Provided by ICST
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Whitepapers
Transmitting-Collision Tradeoff in Cognitive Radio Networks: A Flexible Transmitting Approach
June 3, 2011, 12:00am PDT
In cognitive radio networks, in order to avoid collision to Primary User (PU), Cognitive Radio (CR) user ought to sense the spectrum periodically to certify that PU is absent. However, the...
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Whitepapers
Intelligent Data Rate Control in Cognitive Mobile Heterogeneous Networks
June 3, 2011, 12:00am PDT
An adaptive Rate Controller (ARC) based on Adaptive Neural Fuzzy Inference System (ANFIS) is designed to autonomously adjust the data rate of a mobile heterogeneous network to adapt the changing...
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Whitepapers
Uncoordinated Beamforming for Cognitive Networks
June 3, 2011, 12:00am PDT
In this paper, the authors propose jointly-optimized beamforming algorithms for cognitive networks to maximize the achievable rates assuming single information stream in both primary and secondary...
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Whitepapers
Achievable Capacity of Cognitive Radio Systems Coexisting With a Macro Cellular System
June 3, 2011, 12:00am PDT
A theoretical analysis of achievable capacity by a cognitive radio systems is discussed, when the Cognitive Radio System (CRS) uses spectrum allocated to a macro cellular system. As for the...
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Whitepapers
Modeling and Simulation of Time-Correlation Properties of Spectrum Use in Cognitive Radio
June 3, 2011, 12:00am PDT
The development of the cognitive radio technology can enormously benefit from the availability of realistic and accurate spectrum occupancy models. Time-dimension models of spectrum use proposed...
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Whitepapers
Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion
June 3, 2011, 12:00am PDT
In cognitive radio system, it is necessary for spectrum sensing technology to search for vacant channel. Cyclostationary feature detection method has superior noise-immune and recognition....
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Whitepapers
Game Theoretic Modelling for Dynamic Spectrum Access in TV Whitespace
June 3, 2011, 12:00am PDT
In order to assess TV whitespace access scenarios, three oligopoly game models are considered and reformulated in terms of radio access: Cournot, Stackelberg, and Bertrand. Besides revisiting the...
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Whitepapers
An Investigation Into the Spectrum Occupancy in Japan in the Context of TV White Space Systems
May 18, 2012, 12:00am PDT
This paper presents the results of spectrum occupancy measurements carried out in three locations of Kanto area in Japan. Moreover, the collected data corresponding to DTV broadcasting service is...
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Whitepapers
An Efficient Routing Protocol on a Dynamic Cluster-Based Sensor Network
June 30, 2011, 12:00am PDT
This paper presents an efficient routing protocol on a Dynamic Cluster-based Wireless Sensor Network (WSN). The cluster-based architecture presented here is constructed dynamically. Unlike some...
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Whitepapers
Trade-Offs in Primary Detection Using a Mobile Phone as a Sensing Device
June 3, 2011, 12:00am PDT
Cognitive Radio built on top of spectrum sensing is promised to provide more capacity for users wherever and whenever needed and improve radio spectrum utilization in clever and fair manner....
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Whitepapers
Design and Performance Trade-Offs in Parallelized RF SDR Architecture
June 3, 2011, 12:00am PDT
Multi-radio platforms are an interesting design concept. Executing multiple radios on a shared platform presents opportunities not only for component re-use but also for better data throughputs,...
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Whitepapers
Fast and Reliable Sensing Using a Background Process for Noise Estimation
June 3, 2011, 12:00am PDT
This paper presents an efficient way to ensure a good detection performance by implementing algorithms running in background a reliable noise estimation process. The proposed solution operates at...
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Whitepapers
Development of a TV White Space Cognitive Radio Prototype and Its Spectrum Sensing Performance
June 3, 2011, 12:00am PDT
In this paper, the authors describe a recently developed TeleVision White Space (TVWS) hardware prototype. The prototype includes the following components: a Cognitive Management Entity (CME), a...
Provided by ICST
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Whitepapers
Multi-Mode, Multi-Band Spectrum Sensor for Cognitive Radios Embedded to a Mobile Phone
June 3, 2011, 12:00am PDT
Localized spectrum sensing is an alternate for database centric approaches to solve secondary use of spectrum in cognitive radios. This can be carried out by using collaborative spectrum sensing...
Provided by ICST
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Whitepapers
Automatic Modulation Classification in Wireless Disaster Area Emergency Network (W-DAEN)
June 3, 2011, 12:00am PDT
Post-disaster situation requires quick and effective rescue efforts by the first responders. Generally the rescue teams use wireless radios for intra-agency communications. Lack of collaboration...
Provided by ICST
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Whitepapers
Spectrum Sharing With Interference Coordination Under Outage Probability Constraint
September 26, 2011, 12:00am PDT
In this paper, the authors consider a Cognitive Radio (CR) communication system based on spectrum sharing schemes, where they have a Secondary User (SU) link with multiple transmitting antennas...
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Whitepapers
Joint Switched Transmit Diversity and Adaptive Modulation in Spectrum Sharing Systems
September 26, 2011, 12:00am PDT
Under the scenario of an underlay cognitive radio network, the authors propose in this paper an adaptive scheme using switched transmit diversity and adaptive modulation in order to minimize the...
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Whitepapers
A Tree Based Recovery Algorithm for Block Sparse Signals
September 26, 2011, 12:00am PDT
The structure of block sparsity in multi-band signals is prevalent. Performance of recovery algorithms that taking advantage of the block sparsity structure is promising in the compressed sensing...
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Whitepapers
Sensing Order Dispersion for Autonomous Cognitive Radios
September 26, 2011, 12:00am PDT
When autonomous Cognitive Radios (CRs) have to search multiple potential channels for spectrum opportunities, they face competition from one another to access the channel. The end result of this...
Provided by ICST
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Whitepapers
Sparse Signal Sensing With Non-Uniform Undersampling and Frequency Excision
September 26, 2011, 12:00am PDT
The authors propose a novel compressive sensing algorithm for cognitive radio networks, based on non-uniform under-sampling. It is known that the spectrum of uniformly under-sampled signals...
Provided by ICST
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Whitepapers
An Algorithm for Fast REM Construction
September 26, 2011, 12:00am PDT
The Radio Environment Map (REM) stores radio environmental information that can be used to enhance cognitive radio resource management in wireless networks. In this paper, the authors propose an...
Provided by ICST
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Whitepapers
A Low-Interference Relay Selection for Decode-and-Forward Cooperative Network in Underlay Cognitive Radio
September 26, 2011, 12:00am PDT
In the underlay Decode-and-Forward (DaF) cooperative Cognitive Radio (CR) network, an optimal relay can be selected by the conventional max-min selection on the condition of not violating the...
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Whitepapers
Self-Enforcement Strategy for Energy-Efficient Relaying in Wireless Ad-Hoc Networks
September 26, 2011, 12:00am PDT
In this paper, the authors propose and examine 802.11b-based MAC protocol for wireless ad-hoc relay networks. The objective of the proposed protocol is to incorporate self-enforcing strategy to...
Provided by ICST
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Whitepapers
Exploiting Spatial Dimension in Cognitive Radios and Networks
September 26, 2011, 12:00am PDT
This paper studies the maximum number of users that can be allocated in the same frequency band in case of using beamforming in a transmitter and a receiver by simulations. With the use of smart...
Provided by ICST
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Whitepapers
The Capacity of Cognitive Ad-Hoc Networks With Carrier Sensing Errors
September 26, 2011, 12:00am PDT
The authors analyze the capacity of cognitive ad-hoc networks under the effects of sensing errors: false alarm and missed detection. They present an ad-hoc network model overlaid on a primary...
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Whitepapers
The Sum Capacity of Underlay Cognitive Broadcast Channel
September 26, 2011, 12:00am PDT
The authors study the sum capacity of the underlay cognitive BroadCast (BC) channel with M Primary Receivers (PRs) and K Secondary Receivers (SRs). In particular, the sum capacity is investigated...
Provided by ICST
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Whitepapers
Network Scale Control for Distributed Networks by BER Analysis
September 26, 2011, 12:00am PDT
Node-to-node interference in the distributed networks comes to be one of the major challenges in recent wireless communication studies. The general methods make great improvement on such problem...
Provided by ICST
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Whitepapers
Stochastic-Geometric Model of Expected Service Area for Cognitive TV White Space Wireless Networks
June 3, 2011, 12:00am PDT
The authors address the problem of interference between cognitive wireless networks coexisting in the TV White Space (TVWS). They perform stochastic geometry analysis in order to evaluate the...
Provided by ICST
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Whitepapers
Learning to Use the Spectrum in Self-Configuring Heterogenous Networks: A Logit Equilibrium Approach
May 20, 2011, 12:00am PDT
In this paper, the authors study the particular scenario where several transmitter-receiver pairs communicate subject to mutual interference due to the usage of the same frequency bands. In...
Provided by ICST
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Whitepapers
Revenue Maximization in Spectrum Auction for Dynamic Spectrum Access
May 20, 2011, 12:00am PDT
In this paper, the authors consider the revenue maximization problem in auctions for dynamic spectrum access. They assume a frequency division method of spectrum sharing with a primary spectrum...
Provided by ICST
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Whitepapers
Joint Admission Control for Cooperative Cognitive Radio Networks
June 3, 2011, 12:00am PDT
This paper studies the performance of admission control in Cognitive Radio Networks (CRNs). The authors propose a CRN architecture featuring cooperation among several CRNs in the same geographical...
Provided by ICST
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Whitepapers
Proposal of Heterogeneous Wireless Communication Network With Soft Handover in Application Layer: Feasibility Study Based on Field Trial Results
June 3, 2011, 12:00am PDT
This paper proposes a heterogeneous wireless communication network with soft handover in the application layer. The proposed network requires no upgrades of wireless infrastructure and mobile...
Provided by ICST
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Whitepapers
Statistical Analysis of Interference Avoidance Based on Multi-Frequency RTS/CTS Cognitive Radio
June 3, 2011, 12:00am PDT
In order to avoid interference to primary users within cognitive radio, a multi-frequency RTS/CTS scheme is studied in this paper. Assuming that channels suffer from Rayleigh fading and shadowing,...
Provided by ICST
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Whitepapers
Dynamic Selection of CWmin in Cognitive Radio Networks for Protecting IEEE 802.11 Primary Users
June 3, 2011, 12:00am PDT
Time domain spectrum sharing between Primary User (PU) and Cognitive Radio (CR) networks is considered. The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is suitable...
Provided by ICST
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Whitepapers
A Truthful Optimal Path Auction for DSA Networks
June 3, 2011, 12:00am PDT
In this paper, the authors address the problem of incentive based routing in DSA networks, where each secondary node having a certain capacity incurs a cost for routing traffic through it. They...
Provided by ICST
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Whitepapers
Potential Game Approach for Self-Organization Scheme in Open Access Heterogeneous Networks
June 3, 2011, 12:00am PDT
In the present paper, a self-organization scheme for joint base station selection and resource block allocation in an OFDMA cellular network is proposed. The network consists of overlaying...
Provided by ICST
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Whitepapers
A Multihop Cooperative Routing Algorithm for Minimzing the Number of Hops in Spectrum Sharing Networks
June 3, 2011, 12:00am PDT
In Cognitive Radio Networks (CRNs), the Cognitive User (CU) dynamically detects the unused spectrum holes released from the Primary User (PU) and use them to transmit the data to improve the...
Provided by ICST
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Whitepapers
Eigenvalue Ratio Detection Based On Exact Moments of Smallest and Largest Eigenvalues
June 3, 2011, 12:00am PDT
Detection based on eigenvalues of received signal covariance matrix is currently one of the most effective solutions for spectrum sensing problem in cognitive radios. However, the results of these...
Provided by ICST
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Whitepapers
Cooperation Based Spectrum Management Scheme in Ad-Hoc Cognitive Radio System
June 3, 2011, 12:00am PDT
In Cognitive Radio (CR) ad-hoc systems, the performance of system can be increased by using cooperation between cognitive users. In this paper, the authors compare three cooperation schemes for CR...
Provided by ICST
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Whitepapers
Online Spectrum Allocation for Cognitive Cellular Network Supporting Scalable Demands
June 3, 2011, 12:00am PDT
The authors advocate an online spectrum allocation system for cognitive cellular network supporting scalable demands. Their system's demands processing model is online model, which means that...
Provided by ICST
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Whitepapers
Broker Based Secondary Spectrum Trading
June 3, 2011, 12:00am PDT
Radio spectrum license is multi-dimensional in nature. This suggests that matching a bid to buy and an offer to sell has to be done across the multiple dimensions to maximize spectrum usage in...
Provided by ICST
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Whitepapers
Propagation Based Spectrum Sensing: A Novel Beamforming Detection Method
June 3, 2011, 12:00am PDT
This paper proposes a novel propagation based spectrum sensing method that utilizes beamforming for systems equipped with antenna arrays. Since, rays are known to arrive in clusters, the arrival...
Provided by ICST
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Whitepapers
Iterative Robust Downlink Beamforming in Cognitive Radio Networks
June 3, 2011, 12:00am PDT
The problem of multi-user worst-case robust downlink beamforming and power allocation in a Cognitive Radio (CR) framework is studied. The goal is to minimize the total transmitted power while...
Provided by ICST
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Whitepapers
Spectrum Sensing in Public Safety Applications: The 2-D LAD ACC Method
June 3, 2011, 12:00am PDT
Public Safety Communications (PSC) are invaluable in safety critical scenarios such as floods or earthquakes when commercial communication systems fall down. Cognitive Radio (CR) approach that is...
Provided by ICST
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Whitepapers
Spectrum Allocation Strategies for Heterogeneous Networks
June 3, 2011, 12:00am PDT
This paper analyzed the trade-off between the area spectral efficiency and outage user rates in heterogeneous cellular networks with overlapping picocells. The authors considered two different...
Provided by ICST
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Whitepapers
Multitaper Spectrum Sensing of OFDMA Signals in Frequency Selective Fading Environment
June 3, 2011, 12:00am PDT
This paper considers the problem of how to quickly and accurately identify spectrum holes from downlink Orthogonal Frequency Division Multiple Access (OFDMA) signals in frequency selective fading...
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Whitepapers
Upper Confidence Bound Algorithm for Opportunistic Spectrum Access With Sensing Errors
June 3, 2011, 12:00am PDT
In this paper, the authors consider the problem of exploiting spectrum resources within the Opportunistic Spectrum Access context. They mainly focus on the case where one Secondary User (SU)...
Provided by ICST
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Whitepapers
Optimized Strategies for Coordinated Spectrum Sensing in Cognitive Radio Networks
June 3, 2011, 12:00am PDT
In cognitive radio networks, coordinated spectrum sensing is a novel technique that the cognitive terminals are assigned to sense different channels in the same sensing slots in order to obtain...
Provided by ICST
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Whitepapers
Statistical Test for Multiple Primary User Spectrum Sensing
June 3, 2012, 12:00am PDT
Spectrum sensing is a key component in cognitive radio networks. The existing results so far primarily focus on single primary user detection. Little is known in the most practical and critical...
Provided by ICST
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Whitepapers
Location-Aware Spectrum and Power Allocation in Joint Cognitive Communication-Radar Networks
June 3, 2011, 12:00am PDT
A novel approach to spectrum and power allocation is proposed for joint cognitive communication-radar networks, which aim at integrating Cognitive Radio (CR-o) and Cognitive Radar (CR-r) paradigms...
Provided by ICST
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Whitepapers
Flexible Multicarrier PHY Design for Cognitive Radio in White Space
June 3, 2011, 12:00am PDT
Opportunistic use of White Spaces (WS) has opened up a whole new paradigm in research on Cognitive Radio (CR). One of the issues addressed by the QoS-MOS project is the design of a flexible and...
Provided by ICST
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Whitepapers
Distributed Scheduling Algorithm for Cooperative Transmission With Multiple Relays
June 3, 2011, 12:00am PDT
Cooperative transmission can improve the performance of wireless ad-hoc systems due to its spatial multiplexing gain. Given that multiple cooperative relays which belong to the same...
Provided by ICST
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Whitepapers
An Efficient Truthful Double Spectrum Auction Design for Dynamic Spectrum Access
June 3, 2011, 12:00am PDT
Spectrum auctions can motivate the legacy (primary) spectrum owners to lease their idle spectrum to other secondary spectrum users and eventually improve the spectrum utilization. Compared with...
Provided by ICST
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Whitepapers
New Robust Sensing Methods for DVB-T Signals
June 3, 2011, 12:00am PDT
The regulations for operation in the TV White Space (TVWS) have been developed and released in USA and UK. It is believed that the ongoing TVWS related standardization projects, such as IEEE...
Provided by ICST
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Whitepapers
Dynamic Spectrum Allocation for Heterogeneous Cognitive Radio Networks From Auction Perspective
June 3, 2011, 12:00am PDT
For attracting primary users to participate in secondary spectrum market, auction was proposed as an alternative for spectrum trade. Existing auction schemes are either to be single-sided trade...
Provided by ICST
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Whitepapers
A Game-Theoretic Approach for Opportunistic Transmission Scheme in Cognitive Radio Networks With Incomplete Information
June 3, 2011, 12:00am PDT
One of the key issues in cognitive transmission is for secondary users to dynamically acquire spare spectrum from the primary user and then select appropriate transmission schemes. The existing...
Provided by ICST
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Whitepapers
Path Diversity with Imaging Components on Separate Frequency Channel in Fractional Sampling OFDM
June 3, 2011, 12:00am PDT
In this paper, a diversity scheme with imaging components on a separated channel for a Fractional Sampling (FS)-OFDM receiver is proposed. Cognitive radio is an emerging technology to utilize...
Provided by ICST
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Whitepapers
Joint Coordinated Multicell Processing and MIMO: Selection of Base Stations and Gain
June 3, 2011, 12:00am PDT
In this paper, the authors provide the analysis of the downlink Coordinated Multiple Point (CoMP) used in conjunction with the basic MIMO. The CoMP is the joint multi-cell transmission from...
Provided by ICST
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Whitepapers
Low Complexity Cooperative Multicast Beamforming in Multiuser Multicell Downlink Networks
June 3, 2011, 12:00am PDT
This paper presents a low complexity sub-optimal algorithm for the max-min beamforming problem in multicell multicast transmission. The beam pattern is jointly optimized for all users inside a...
Provided by ICST
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Whitepapers
A New Spectrum Sensing Scheme Using Overlap FFT Filter-Bank for Dynamic Spectrum Access
June 3, 2011, 12:00am PDT
A periodogram scheme, a multi-taper scheme, and a filter-bank scheme are proposed for spectrum sensing for dynamic spectrum access. The filter-bank scheme is advantageous in hardware...
Provided by ICST
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Whitepapers
Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in a Unified Wireless System
June 3, 2011, 12:00am PDT
These days, a wide variety of wireless systems are used and new wireless systems appear one after another on the market. In this paper, the authors proposed a unified wireless system that they...
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Whitepapers
Contribution Based Cooperative Spectrum Sensing Against Malfunction Nodes in Cognitive Radio Networks
June 3, 2011, 12:00am PDT
In cognitive radio networks, secondary users can cooperate based on their own sensing observations so as to detect the primary user more accurately. However, since of location disadvantage,...
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Whitepapers
Impact of Antenna Selection on Cognitive Radio System Capacity
June 3, 2011, 12:00am PDT
The authors examine the effect of transmit antenna selection on the Secondary User (SU) and Primary User (PU) capacity in a multiple-input single-output cognitive radio system. They consider...
Provided by ICST
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Whitepapers
Distributed Channel Assignment Algorithm Based on Simulated Annealing for Uncoordinated OSA-Enabled WLANs
June 3, 2011, 12:00am PDT
A promising approach to alleviate ISM band congestion problems in highly dense WLAN scenarios consists of exploiting Opportunistic Spectrum Access (OSA) to underutilized bands under a...
Provided by ICST
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Whitepapers
On Multiuser Switched Diversity Transmission for Spectrum Sharing Systems
June 20, 2012, 12:00am PDT
In this paper, the authors develop multiuser access schemes for spectrum sharing systems whereby secondary users share the spectrum with primary users. In particular, they devise two schemes for...
Provided by ICST
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Whitepapers
Business Opportunities Using White Space Spectrum and Cognitive Radio for Mobile Broadband Services
June 20, 2012, 12:00am PDT
In this paper, the authors consider business feasibility analysis of systems and services using cognitive radio and secondary use of spectrum. The approach is generally applicable to business...
Provided by ICST
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Whitepapers
Grid Based Cooperative Spectrum Sensing in Cognitive Networks Under Correlated Shadowing
June 20, 2012, 12:00am PDT
Correlated shadowing can have significant effects on the performance of cooperative spectrum sensing. In this paper, the authors investigate a grid based cooperative spectrum sensing in cognitive...
Provided by ICST
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Whitepapers
Impact of the Primary Resource Occupancy Information on the Performance of Cognitive Radio Networks With VoIP Traffic
June 20, 2012, 12:00am PDT
In this paper, the relevance of considering the primary network resource occupancy information on the admission criterion of new secondary VoIP sessions in Cognitive Radio Networks (CRNs) is...
Provided by ICST
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Whitepapers
On the Performance of Spectrum Sharing Systems With Multiple Antennas
June 20, 2012, 12:00am PDT
In this paper, the authors study the capacity of Spectrum Sharing (SS) Multiple-Input Multiple-Output (MIMO) systems over Rayleigh fading channels. More specifically, they present closed-form...
Provided by ICST
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Whitepapers
Location Estimation of Radio Transmitters Based on Spatial Interpolation of RSS Values
June 20, 2012, 12:00am PDT
Detection of potential transmitters' location is one of the vital aspects for efficient practical deployment of secondary spectrum access solutions. It requires accurate and up-to-date radio...
Provided by ICST
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