Orthogonal Frequency Division Multiplexing with Diversity for Future Wireless Systems

Orthogonal Frequency Division Multiplexing with Diversity for Future Wireless Systems

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The book examines several aspects of Orthogonal Frequency Division Multiplexing (OFDM) employing linear diversity techniques such as inter-carrier interference, bit error rate, peak to average power ...
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Multiuser and Spatial Diversity in OFDM Systems with Co-channel Interference

Pp. 278-302 (25)

Wan Choi

Abstract

Orthogonal frequency division multiple access (OFDMA) becomes a popular framework of future cellular systems such as 3GPP LTE and IEEE 802.16e WiMAX. Spatial diversity and multiuser diversity are expected to play a key role in future OFDMA based cellular systems. Considering that cellular systems will operate in an interferencelimited environment, it is required to understand the effect of co-channel interference on spatial and multiuser diversity. This chapter highlights the effects of co-channel interference on spatial and multiuser diversity and provides insights into the interactions between multiuser diversity and spatial diversity in the presence of co-channel interference.

Keywords:

Multi-user diversity, spatial diversity, OFDM, co-channel interference

Affiliation:

Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea.