Digital modulation and coding
Adaptive Frequency Synchronization for Collaborative Communication Systems
ICDCSW '07 Proceedings of the 27th International Conference on Distributed Computing Systems Workshops
On Bounds and Algorithms for Frequency Synchronization for Collaborative Communication Systems
IEEE Transactions on Signal Processing - Part I
Capacity regions for wireless ad hoc networks
IEEE Transactions on Wireless Communications
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
IEEE Transactions on Information Theory
Cooperative diversity in wireless networks: Efficient protocols and outage behavior
IEEE Transactions on Information Theory
Information-theoretic upper bounds on the capacity of large extended ad hoc wireless networks
IEEE Transactions on Information Theory
BICM-OFDM for cooperative communications with multiple synchronization errors
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
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In cooperative communication systems, multiple carrier frequency offsets (MCFO) appear due to the different accuracy of the nodes' oscillators and Doppler spreads, which drastically degrades the performance of space-frequency block coded (SFBC) cooperative systems. In this paper, a MCFO compensation algorithm including modified SFBC decoder, minimum Euclidean distance decision criterion and interference reconstructing eliminator is proposed. Besides, the bit error ratio (BER) lower bound of cooperative communication systems with MCFO is theoretically derived. From the simulations, the correctness of our theoretical analysis can be validated, and it is also proved that the proposed compensation algorithm achieves good BER performance with a large range of MCFO.