Home Radio • New PDF release: Cognitive Radio Communications and Networking: Principles

New PDF release: Cognitive Radio Communications and Networking: Principles

By Robert C. Qiu, Zhen Hu, Husheng Li, Michael C. Wicks(auth.)

ISBN-10: 0470972092

ISBN-13: 9780470972090

ISBN-10: 1118376277

ISBN-13: 9781118376270

The writer offers a unified remedy of this hugely interdisciplinary subject to aid outline the inspiration of cognitive radio. The publication starts off with addressing matters comparable to the basic method idea and simple mathematical instruments comparable to spectrum sensing and computing device studying, prior to relocating directly to extra complex innovations and discussions in regards to the way forward for cognitive radio. From the basics in spectrum sensing to the functions of cognitive algorithms to radio communications, and dialogue of radio systems and testbeds to teach the applicability of the idea to perform, the writer goals to supply an advent to a quick relocating subject for college students and researchers looking to strengthen an intensive figuring out of cognitive radio networks.

  • Examines uncomplicated mathematical instruments sooner than relocating directly to extra complicated ideas and discussions in regards to the way forward for cognitive radio
  • Describe the basics of cognitive radio, offering a step-by-step therapy of the subjects to allow revolutionary learning
  • Includes questions, workouts and recommendations for added studying on the finish of every chapter
  • Companion internet hosting MATLAB codes, and supplementary fabric together with exercises

Topics coated within the e-book contain: Spectrum Sensing: uncomplicated strategies; Cooperative Spectrum Sensing Wideband Spectrum Sensing; Agile Transmission concepts: Orthogonal Frequency department Multiplexing a number of enter a number of Output for Cognitive Radio; Convex Optimization for Cognitive Radio; Cognitive middle (I): Algorithms for Reasoning and studying; Cognitive middle (II): video game concept; Cognitive Radio community IEEE 802.22: the 1st Cognitive Radio instant nearby zone community commonplace, and Radio systems and Testbeds.

Content:
Chapter 1 creation (pages 1–13):
Chapter 2 Spectrum Sensing: simple innovations (pages 15–49):
Chapter three Classical Detection (pages 51–100):
Chapter four speculation Detection of Noncommutative Random Matrices (pages 101–118):
Chapter five huge Random Matrices (pages 119–234):
Chapter 6 Convex Optimization (pages 235–282):
Chapter 7 laptop studying (pages 283–321):
Chapter eight Agile Transmission concepts (I): a number of enter a number of Output (pages 323–337):
Chapter nine Agile Transmission thoughts (II): Orthogonal Frequency department Multiplexing (pages 339–350):
Chapter 10 online game conception (pages 351–380):
Chapter eleven Cognitive Radio community (pages 381–426):
Chapter 12 Cognitive Radio community as Sensors (pages 427–439):

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Additional resources for Cognitive Radio Communications and Networking: Principles and Practice

Example text

It is in this case that the expansion finds its most important application [54]. 37) where Rn is a symmetric, nonnegative definite matrix. 36) is attempted. 34) which constitute a sufficiently good approximation with a finite number of terms depends on how rapidly the eigenvalues decrease in value after a certain index. 36) are the prolate spheroidal wave functions considered in [61–64, 66]. The cited sources show that the eigenvalues drop off rapidly after 2T W terms (except for T W = 1). 4 illustrates this rapid drop-off [54].

Since the fading signal is zero-mean WSS, only the second order statistics are sufficient for its characterization. Since it is zero-mean, the covariance function is identical to the autocorrelation function. 67) which requires a priori knowledge of fc and fD = v/λc where v is the velocity of the mobile and λc is the wavelength of the carrier wave. If the similarity is used as the classification criterion, the uncertain noise power σn2 and the (uncertain) total power of the received flat fading signal Px are not required.

Eigenfunctions) we mean λ1 ,λ2 , . . , λN (resp. ϕ1 ,ϕ2 , . . , ϕN ). Note that the positive semidefiniteness of R implies that λj ≥ 0. As a result, this representation provides a diagonal decomposition of the autocorrelation function ∞ R(x, x ) = λj ϕj (x)ϕj∗ (x ). 124) above. 129) of the two-point correlation tensor ensures that the modal amplitudes are uncorrelated: < ai aj∗ > = δij λj . 130) In practice, only the eigenfunctions with strictly positive values are of interest. Those spatial structures have finite energy on average.

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Cognitive Radio Communications and Networking: Principles and Practice by Robert C. Qiu, Zhen Hu, Husheng Li, Michael C. Wicks(auth.)


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