| Paper Abstract and Keywords |
| Presentation |
2005-01-28 16:00
Intersymbol Interference Characteristics of Single Side-Band QPSK and Its Turbo Equalizer Performance
Boonsarn Pitakdumrongkija, Hiroshi Suzuki, Satoshi Suyama, Kazuhiko Fukawa (Tokyo Inst. Tech.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper proposes a novel single sideband QPSK modulation scheme that utilizes single reference carrier frequency and transforms both I and Q components into the same frequency band whose width is exactly half that of QPSK. The modulation method is derived first, and followed by the analysis of the matched filter demodulation. The analysis shows that there are intersymbol interference and correlation in the received signal and noise, respectively. Therefore, a turbo equalizer is employed. As a result, both the effects of intersymbol interference and noise correlation can be taken care of by soft-canceller and noise whitening filter in the MMSE linear equalizer, respectively. The computer simulations are then used to verify the proposed modulation scheme. At the transmitter, the raised cosine root roll-off pulse is employed for pulse shaping and Hilbert transformed pulse generation. The truncation of signal pulse is performed by the window function. The results show that the proposed modulation scheme outperforms 16QAM with turbo coding in slow flat Rayleigh fading channel. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Single Sideband QPSK / Raised Cosine Root Roll-off Pulse / Matched Filter Demodulation / Intersymbol Interference / Noise Whitening / Turbo Equalization / Soft-canceller / MMSE |
| Reference Info. |
IEICE Tech. Rep., vol. 104, no. 599, RCS2004-321, pp. 185-190, Jan. 2005. |
| Paper # |
RCS2004-321 |
| Date of Issue |
2005-01-21 (CS, RCS) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
RCS CS |
| Conference Date |
2005-01-26 - 2005-01-28 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
University of the Ryukyus |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Broadband Wireless Access Techniques, Wireless Access Technologies for IP Networks, Optical Wireless Systems, Wireless Communication Systems, etc. |
| Paper Information |
| Registration To |
RCS |
| Conference Code |
2005-01-RCS-CS |
| Language |
English (Japanese title is available) |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Intersymbol Interference Characteristics of Single Side-Band QPSK and Its Turbo Equalizer Performance |
| Sub Title (in English) |
|
| Keyword(1) |
Single Sideband QPSK |
| Keyword(2) |
Raised Cosine Root Roll-off Pulse |
| Keyword(3) |
Matched Filter Demodulation |
| Keyword(4) |
Intersymbol Interference |
| Keyword(5) |
Noise Whitening |
| Keyword(6) |
Turbo Equalization |
| Keyword(7) |
Soft-canceller |
| Keyword(8) |
MMSE |
| 1st Author's Name |
Boonsarn Pitakdumrongkija |
| 1st Author's Affiliation |
Tokyo Institute of Technology (Tokyo Inst. Tech.) |
| 2nd Author's Name |
Hiroshi Suzuki |
| 2nd Author's Affiliation |
Tokyo Institute of Technology (Tokyo Inst. Tech.) |
| 3rd Author's Name |
Satoshi Suyama |
| 3rd Author's Affiliation |
Tokyo Institute of Technology (Tokyo Inst. Tech.) |
| 4th Author's Name |
Kazuhiko Fukawa |
| 4th Author's Affiliation |
Tokyo Institute of Technology (Tokyo Inst. Tech.) |
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| Speaker |
Author-1 |
| Date Time |
2005-01-28 16:00:00 |
| Presentation Time |
20 minutes |
| Registration for |
RCS |
| Paper # |
CS2004-214, RCS2004-321 |
| Volume (vol) |
vol.104 |
| Number (no) |
no.596(CS), no.599(RCS) |
| Page |
pp.185-190 |
| #Pages |
6 |
| Date of Issue |
2005-01-21 (CS, RCS) |