Orthogonal Frequency Division Multiplexing with Diversity for Future Wireless Systems

Multiuser and Spatial Diversity in OFDM Systems with Co-channel Interference

Author(s): Wan Choi

Pp: 278-302 (25)

DOI: 10.2174/978160805188511201010278

* (Excluding Mailing and Handling)


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

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