| Presentation | 2004/6/18 Performance Evaluation of Adaptive Internally Turbo Coded Ultra Wideband-Impulse Radio (AITC-UWB-IR) in Multipath Channels Shintaro YOSHIDA, Tomoaki OHTSUKI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In recent years, an Ultra Wideband-Impulse Radio (UWB-IR) system has attracted much attention in short range high speed wireless communications. The UWB-IR system uses extremely short pulses with nanosecond duration. Since the transmit output power is restricted to comply with FCC's UWB spectral mask, the UWB-IR system transmits a number of consecutive pulses for an information symbol, where the number of pulse repetitions is the total number of pulses for an information symbol. Thus, the UWB-IR system is considered as a coded scheme with a simple repetition block code. We proposed the Adaptive Internally Turbo Coded UWB-IR (AITC-UWB-IR) system where Turbo code and the repetition block code are used adaptively. We showed that the performance of the AITC-UWB-IR system is superior to that of the conventional UWB-IR system using the simple repetition block code in the AWGN channel and the real Gaussian fading channel. In this report, we evaluate the performance of the AITC-UWB-IR system using a RAKE receiver in the UWB channels. As a RAKE receiver, we use the Selective-RAKE (SRAKE) receiver. From the results of our computer simulations, we show that the AITC-UWB-IR system achieves the good performance, because the code rate of the Turbo code and the number of pulse repetitions are changed adaptively. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | UWB-IR / Low Rate Turbo-Codes / Ultra Wideband Radio Communications |
| Paper # | WBS2004-9,SAT2004-33 |
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| Conference Information | |
| Committee | SAT |
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| Conference Date | 2004/6/18(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Satellite Telecommunications (SAT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of Adaptive Internally Turbo Coded Ultra Wideband-Impulse Radio (AITC-UWB-IR) in Multipath Channels |
| Sub Title (in English) | |
| Keyword(1) | UWB-IR |
| Keyword(2) | Low Rate Turbo-Codes |
| Keyword(3) | Ultra Wideband Radio Communications |
| 1st Author's Name | Shintaro YOSHIDA |
| 1st Author's Affiliation | Graduate School of Science and Technology, Tokyo University of Science() |
| 2nd Author's Name | Tomoaki OHTSUKI |
| 2nd Author's Affiliation | Faculty of Science and Technology, Tokyo University of Science |
| Date | 2004/6/18 |
| Paper # | WBS2004-9,SAT2004-33 |
| Volume (vol) | vol.104 |
| Number (no) | 146 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |