Self-Cancellation of Sampling Frequency Offsets in STBC-OFDM Based Cooperative Transmissions
Zhen Gao, Mary Ann · InTech eBooks · 2012
To provide an energy efficient solution to the synchronization problem of SFOs in OFDM based CTs, in Section 2 of this chapter, we firstly introduce a low-cost self-cancellation scheme that we have proposed for single SFO in conventional OFDM systems.Then we will show in the Section 3 that, the combination of the self-cancellation for single SFO and the re- www.intechopen.comEnergy Efficiency in Communications and Networks 2 sampling method can solve the two SFOs problem in the two-branch STBC-OFDM based CTs.Simulations in the Section 4 will show that this low-cost scheme outperforms the ideal STBC system with no SFOs, and is robust to the mean SFO estimation error.In Section 5, the energy efficiency problem of the proposed schemes is analyzed.The chapter is summarized in Section 6. How to referenceIn order to correctly reference this scholarly work, feel free to copy and paste the following: Zhen Gao and Mary Ann Ingram (2012).Self-Cancellation of Sampling Frequency Offsets in STBC-OFDM Based Cooperative Transmissions, Energy Efficiency in Communications and Networks, Dr. Sameh Gobriel (Ed.),