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2-hop and 3-hop Cognitive radio networks


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

Cognitive radio is an evolving wireless technology employed to increase the frequency spectrum utilization of the limited spectral resources. Cooperative communications has been established as a potential method of solving the fading effects in wireless communications, improving the reliability of network performance, network throughput, and adaptability. The cooperative diversity is achieved by using 2-hop decode amplify and forward (DAF) and 3-hop decode and forward (DF) and amplify and forward (AF) relaying protocols in cognitive radio network. The data is encoded by using Alamuti space time block codes (STBC) and transmitted over a wireless Rayleigh fading channel. The distance and the number of relays are variable parameters which affect the performance of the cooperative cognitive radio network. In order to sense the presence or absence of Primary User (PU) signal within a spectrum in a cognitive radio network, energy detectors are used at the cognitive controller. If energy of PU is less than a threshold then it indicates that PU is absent and vice versa. The probability of detection and Bit Error Rate (BER) will vary in 2-hop and 3-hop relay networks.

Product Specifications
SKU :COC56572
AuthorMohsin Kamal and Theera Yukong
Number of Pages64
Publishing Year2012-07-11T00:00:00.000
Edition1 st
Book TypeElectronics & communications engineering
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-06-08 00:00:00