Paper Info
Title
Link adaptation for fixed relaying with untrusted relays: Transmission strategy design and performance analysis
Abstract
Wireless cooperative communication through link adaptation with untrusted relay assignment is considered. Using sharp channel codes in different transmission modes, reliability for destination and security in the presence of untrusted relays are provided through rate and power allocation. Scenarios with single available relay and opportunistic relaying in the presence of multiple relays are investigated. These scenarios are analyzed separately in terms of performance over Rayleigh fading channel for constant power and adaptive power transmission. In constant power case, closed form expressions for average spectral efficiency is derived through an effective approximation. Retaining the sum transmission power of source and relay unchanged, the performance of system is enhanced through power allocation. Numerical results reflect the effectiveness of the approximations for analytic performance evaluation when comparing to the simulation results.
Year
DOI
Venue
2011
10.1109/CTS.2011.5898941
ICT
Keywords
Field
DocType
rayleigh channels,channel coding,cooperative communication,rayleigh fading channel,adaptive power transmission,channel codes,destination reliability,fixed relaying,link adaptation,network security,power allocation,transmission performance analysis,transmission strategy design,untrusted relays,wireless cooperative communication,cooperative communications,untrusted relay,indexing terms,power transmission,signal to noise ratio,silicon,security,reliability,bit error rate
Link adaptation,Rayleigh fading,Wireless,Computer science,Computer network,Communication channel,Spectral efficiency,Power transmission,Relay,Bit error rate
Conference
ISBN
Citations 
PageRank 
978-1-4577-0025-5
3
0.41
References 
Authors
7
2
Name
Order
Citations
PageRank
Khodakarami, H.130.41
Lahouti, F.213311.22