Title :
Energy spreading transform based iterative signal detection for mimo fading channels
Author :
Hwang, Taewon ; Li, Ye ; Sari, Hikmet
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA
fDate :
7/1/2006 12:00:00 AM
Abstract :
Multiple transmit and receive antenna arrays can be used to form multiple input and multiple output (MIMO) systems for diversity and multiplexing in wireless communications. In this paper, we develop iterative signal-detection schemes based on energy spreading transform (EST) (T. Hwang and Y. Li) for MIMO channels. The EST in a MIMO system improves signal-detection performance by spreading the symbol energy over the space and time domain. It also enables iterative signal detection without employing channel coding. Analytical and simulation results demonstrate that the performance of the proposed schemes is very close to that of the genie-aided receiver when there are a sufficiently large number of receive antennas and signal-to-noise ratio (SNR) is above a threshold
Keywords :
MIMO systems; antenna arrays; channel coding; fading channels; iterative methods; signal detection; MIMO fading channels; channel coding; energy spreading transform; genie-aided receiver; iterative signal detection; multiple input and multiple output; multiple transmit antenna arrays; receive antenna arrays; signal-to-noise ratio; wireless communications; Analytical models; Antenna arrays; Channel coding; Fading; MIMO; Performance analysis; Receiving antennas; Signal analysis; Signal detection; Wireless communication;
Journal_Title :
Wireless Communications, IEEE Transactions on
DOI :
10.1109/TWC.2006.1673086
