Paper Abstract and Keywords |
Presentation |
2005-10-21 10:15
A pre- and post-FFT hybrid smart antenna using eigen-beamspace for OFDM systems Hidehiro Matsuoka, Hideo Kasami, Makoto Tsuruta, Hiroki Shoki (Toshiba) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper proposes a smart antenna with pre-FFT beamforming based on
eigenanalysis and post-FFT subcarrier diversity for broadband OFDM systems.
This method can achieve signal-to-noise ratio (SNR) enhancement due to
two independent eigenbeams in the pre-FFT domain and
maximum ratio combining in individual subcarriers in the post-FFT domain.
Two pre-FFT eigenbeams focus on the efficient combining of desired signal energy
as diversity branches
while they achieve lower computational load compared with the optimum
post-FFT diversity which consists of the same number of FFT circuits as antennas.
Computer simulation results show the complexity is reduced by 50\% while
keeping
the similar bit error rate (BER) performance to the optimum diversity in typical
cases of multipath environments. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
OFDM / smart antenna / eigenbeam / post-FFT diversity / pre-FFT beamforming / matched filter / mobile communication / |
Reference Info. |
IEICE Tech. Rep., vol. 105, no. 356, RCS2005-99, pp. 85-90, Oct. 2005. |
Paper # |
RCS2005-99 |
Date of Issue |
2005-10-13 (RCS) |
ISSN |
Print edition: ISSN 0913-5685 |
Download PDF |
|
Conference Information |
Committee |
AP RCS |
Conference Date |
2005-10-20 - 2005-10-21 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Akita Prefectural Univ. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Adaptive Antenna, MIMO, RF Signal Processing etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2005-10-AP-RCS |
Language |
English (Japanese title is available) |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A pre- and post-FFT hybrid smart antenna using eigen-beamspace for OFDM systems |
Sub Title (in English) |
|
Keyword(1) |
OFDM |
Keyword(2) |
smart antenna |
Keyword(3) |
eigenbeam |
Keyword(4) |
post-FFT diversity |
Keyword(5) |
pre-FFT beamforming |
Keyword(6) |
matched filter |
Keyword(7) |
mobile communication |
Keyword(8) |
|
1st Author's Name |
Hidehiro Matsuoka |
1st Author's Affiliation |
Toshiba Corporation (Toshiba) |
2nd Author's Name |
Hideo Kasami |
2nd Author's Affiliation |
Toshiba Corporation (Toshiba) |
3rd Author's Name |
Makoto Tsuruta |
3rd Author's Affiliation |
Toshiba Corporation (Toshiba) |
4th Author's Name |
Hiroki Shoki |
4th Author's Affiliation |
Toshiba Corporation (Toshiba) |
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Speaker |
Author-1 |
Date Time |
2005-10-21 10:15:00 |
Presentation Time |
25 minutes |
Registration for |
RCS |
Paper # |
RCS2005-99 |
Volume (vol) |
vol.105 |
Number (no) |
no.356 |
Page |
pp.85-90 |
#Pages |
6 |
Date of Issue |
2005-10-13 (RCS) |