Pilot power optimization for AF relaying using maximum likelihood channel estimation
Type
Conference PaperKAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering Program
Communication Theory Lab
Date
2014-09Permanent link to this record
http://hdl.handle.net/10754/564992
Metadata
Show full item recordAbstract
Bit error rates (BERs) for amplify-and-forward (AF) relaying systems with two different pilot-symbol-aided channel estimation methods, disintegrated channel estimation (DCE) and cascaded channel estimation (CCE), are derived in Rayleigh fading channels. Based on these BERs, the pilot powers at the source and at the relay are optimized when their total transmitting powers are fixed. Numerical results show that the optimized system has a better performance than other conventional nonoptimized allocation systems. They also show that the optimal pilot power in variable gain is nearly the same as that in fixed gain for similar system settings. andcopy; 2014 IEEE.Citation
Wang, K., Chen, Y., Alouini, M.-S., & Xu, F. (2014). Pilot Power Optimization for AF Relaying Using Maximum Likelihood Channel Estimation. 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall). doi:10.1109/vtcfall.2014.6966131Conference/Event name
80th IEEE Vehicular Technology Conference, VTC 2014-FallISBN
9781479944491; 9781479944491ae974a485f413a2113503eed53cd6c53
10.1109/VTCFall.2014.6966131