IEEE Transactions on Wireless Communications
Pedestrians effects on indoor MIMO-OFDM channel capacity
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
A systematic design of full diversity multiuser space-frequency codes
IEEE Transactions on Signal Processing
EURASIP Journal on Wireless Communications and Networking
Wireless Personal Communications: An International Journal
Performance Analysis of the Cooperative ZP-OFDM: Diversity, Capacity and Complexity
Wireless Personal Communications: An International Journal
Wireless Personal Communications: An International Journal
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With the advent of next generation (4G) broadband wireless communications, the combination of multiple-input multiple-output (MIMO) wireless technology with orthogonal frequency division multiplexing (OFDM) has been recognized as one of the most promising techniques to support high data rate and high performance. In particular, coding over the space, time, and frequency domains provided by MIMO-OFDM will enable a much more reliable and robust transmission over the harsh wireless environment. In this article we provide an overview of space-time (ST) coding, space-frequency (SF) coding, and space-time-frequency (STF) coding for MIMO-OFDM systems. Performance results show that STF coding can achieve the maximum diversity gain in an end- to-end MIMO-OFDM system over broadband wireless channels. Furthermore, for orthogonal frequency division multiple access (OFDMA), we propose a multiuser SF coding scheme that can achieve the maximum diversity for each user while minimizing the interference introduced from all the other users.