| 講演名 | 2012-03-07 Television White Space Channel Measurement and Characterization in Short-Range Outdoor Environment , |
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| 抄録(英) | In this paper we present television white space (TVWS) channel measurement results in several short-range outdoor environments. The measurement campaign has been performed in Singapore with co-operation from Infocomm Development Authority (IDA), Singapore. Various outdoor scenarios such as urban, sub-urban and hilly, industrial/business district have been considered along with different transmit/receive antenna heights. We utilize a custom-made TVWS device prototype having a bandwidth of 64 MHz centering 670 MHz and transmission power of 23 dBm. The instrument provides time domain accuracy of 0.1 microsecond. Three types of signaling, namely a pseudorandom (PN) sequence based BPSK signaling, an orthogonal frequency division multiplexing (OFDM) signaling and carrier wave (CW) have been used. The first one gives the chance to obtain time-domain channel response, while the second one gives chance to understand frequency/time selective fading. The third one is mainly for path loss measurement. Channel parameters such as root mean square (RMS) delay spread, coherence bandwidth, path-loss constant etc have been identified for the various scenarios considered. The fading characteristic has also been identified. |
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| キーワード(英) | Channel measurement and characterization / TV Whitespace / multipath / fading |
| 資料番号 | SR2011-106 |
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| 研究会 | SR |
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| 開催期間 | 2012/2/29(から1日開催) |
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| 申込み研究会 | Software Radio(SR) |
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| 本文の言語 | ENG |
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| タイトル（英） | Television White Space Channel Measurement and Characterization in Short-Range Outdoor Environment |
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| キーワード(1)（和/英） | / Channel measurement and characterization |
| 第 1 著者 氏名（和/英） | / M. Azizur RAHMAN |
| 第 1 著者 所属（和/英） | National Institute of Information and Communications Technology (NICT) |
| 発表年月日 | 2012-03-07 |
| 資料番号 | SR2011-106 |
| 巻番号（vol） | vol.111 |
| 号番号（no） | 452 |
| ページ範囲 | pp.- |
| ページ数 | 8 |
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