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Title: | Zero Forcing and Decision Feedback Detectors in MIMO Communication Channels and Their Applications to Frequency-Overlapped Multi-Carrier Signaling |
Authors: | MATSUMOTO, Tadashi |
Keywords: | MIMO channel multichannel signal detection interference cancellation zero forcing detector decision feedback detecto |
Issue Date: | 2000-10-20 |
Publisher: | 電子情報通信学会 |
Magazine name: | IEICE Transactions on Communications |
Volume: | E83-B |
Number: | 10 |
Start page: | 2386 |
End page: | 2393 |
Abstract: | This paper investigates noise enhancement factors of a zero-forcing detector and a decision feedback detector for synchronous Multiple Input Multiple Output (MIMO) channels. It is first shown that the zero-forcing and decision feedback detectors can be implemented in a vector digital filter form, and the noise enhancement factors with the detectors can easily be calculated by using the vector digital filter form. This paper then applies the zero-forcing and decision feedback detectors to the signal detection of a frequency-overlapped multicarrier signaling (FOMS) system. The normalized noise enhancement factor, which is given as a product of the noise enhancement and bandwidth reduction factors, is shown to be smaller with the decision feedback detector than the zero-forcing detector. Results of computer simulations conducted to evaluate bit error rate (BER) performances with the two detectors are also shown together with the BER performance with a conventional channel-by-channel detector. |
Rights: | Copyright (C)2000 IEICE. Tadashi Matsumoto, IEICE Transactions on Communications, E83-B(10), 2000, 2386-2393. http://www.ieice.org/jpn/trans_online/ |
URI: | http://hdl.handle.net/10119/4683 |
Material Type: | publisher |
Appears in Collections: | b10-1. 雑誌掲載論文 (Journal Articles)
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