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IEEE Transactions on Cognitive Communications and Networking
Issue 4 • Dec.-2016
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Year: 2016 | Volume: 2 | Issue: 4
IEEE Communications Society
Year: 2016 | Volume: 2 | Issue: 4
The “white space” model allows TV channels not being used regionally by a TV broadcaster to be re-purposed for secondary access. Unfortunately, populated areas have few unused channels. Nonetheless, Nielsen data show severe under-utilization with vast regions in range of TV transmitters having no active TV receivers even at peak TV viewing time. In this paper, we present the design, implementation...Show More
Cooperative Estimation of Power and Direction of Transmission for a Directive Source
Sina Maleki;Philippe Ciblat;Symeon Chatzinotas;Bhavani Shankar M. R.;Björn Ottersten
Publication Year: 2016,Page(s):343 - 357
Cited by: Papers (3)
Reliable spectrum cartography of directive sources depends on an accurate estimation of the direction of transmission (DoT) as well as the transmission power. Joint estimation of power and DoT of a directive source using ML estimation techniques is considered in this paper. We further analyze the parametric identifiability conditions of the problem, develop the estimation algorithm, and derive the...Show More
Multiple Transmitter Localization and Whitespace Identification Using Randomly Deployed Binary Sensors
Publication Year: 2016,Page(s):358 - 369
Cited by: Papers (7)
This paper analyzes the limiting behavior of the uncertainty in localizing an unknown number of transmitters within a given geographical area. The set-up consists of ${n}$ binary sensors that are deployed uniformly at random locations within the area. These sensors detect for the presence of a transmitter within their radio range, and their individual decisions are combined to estimate the numbe...Show More
An Adaptive Subcarrier Sharing Scheme for OFDM-Based Cooperative Cognitive Radios
Publication Year: 2016,Page(s):370 - 380
Cited by: Papers (24)
Incorporation of orthogonal frequency division multiplexing (OFDM) in cooperative cognitive radio network facilitates subcarrier sharing to achieve spatial diversity with opportunistic spectrum access. In addition, adaptive modulation has been adopted widely in wireless communication to improve spectral efficiency. Use of adaptive modulation for cooperative cognitive relaying transmission to maxim...Show More
Cognitive Radio Algorithms Coexisting in a Network: Performance and Parameter Sensitivity
Andrea Hess;Francesco Malandrino;Nicholas J. Kaminski;Tri Kurniawan Wijaya;Luiz A. DaSilva
Publication Year: 2016,Page(s):381 - 396
Cited by: Papers (7)
This paper studies the performance of cognitive radios in a scenario where different pairs of radios adopt different cognition/decision making approaches. We want to assess: 1) if there is a category of cognitive radio algorithms that consistently outperforms the others and 2) how sensitive different algorithms are to suboptimal parameter setting. Our approach is to take a representative set of we...Show More
Energy-Aware Scheduling for Multi-Hop Cognitive Radio Networks
Jinlin Peng;Hao Yue;Kaiping Xue;Ying Luo;Peilin Hong;Yuguang Fang
Publication Year: 2016,Page(s):397 - 410
Cited by: Papers (11)
Cognitive radio (CR) technology, which enables unlicensed secondary users to opportunistically access the unused licensed spectrum, has attracted more and more attention from both academia and industry due to its potential to significantly improve the spectrum utilization. Considering both temporal and spatial variations of spectrum availability, this paper focuses on improving the energy efficien...Show More
An Online Admission Control Algorithm for Dynamic Traffic in Underlay Coexistence Paradigm
Xu Yuan;Xiaoqi Qin;Feng Tian;Brian Jalaian;Yi Shi;Y. Thomas Hou;Wenjing Lou;Wade Trappe
Publication Year: 2016,Page(s):411 - 426
Underlay is an aggressive spectrum sharing paradigm that allows secondary nodes to be active simultaneously with the primary nodes through interference cancelation (IC). In this paper, we design an online admission control algorithm to handle dynamic session arrival and departure in the underlay coexistence paradigm for multi-hop primary and secondary networks. For IC, we employ multiple antennas ...Show More
An Extensible and Flexible Truthful Auction Framework for Heterogeneous Spectrum Markets
Publication Year: 2016,Page(s):427 - 441
Cited by: Papers (12)
In this paper, we propose an extensible and flexible truthful auction framework that is individually-rational and self-collusion resistant. By properly setting one simple parameter, this framework yields efficient auctions (like Vickery–Clarke–Groves), (sub)optimal auctions (like Myerson’s optimal mechanism), and budget-balanced double auctions; by carefully choosing virtual valuation functions fo...Show More
2016 Index IEEE Transactions on Cognitive Communications and NetworkingVol. 2
Publication Year: 2016,Page(s):442 - 448
2016 Index IEEE Transactions on Cognitive Communications and NetworkingVol. 2
Year: 2016 | Volume: 2 | Issue: 4
IEEE Communications Society
Year: 2016 | Volume: 2 | Issue: 4
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