All-digital 300-MHz-band transceiver LSI and its application to a low-power wireless sensor node

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  • デジタル回路で構成した300MHz帯無線送信機LSIと低電力センサー端末への適用(アナログ,アナデジ混載,RF及びセンサインタフェース回路)
  • デジタル回路で構成した300MHz帯無線送信機LSIと低電力センサー端末への適用
  • デジタル カイロ デ コウセイシタ 300MHzタイ ムセン ソウシンキ LSI ト テイデンリョク センサー タンマツ エノ テキヨウ

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Abstract

Wireless sensor networks, which monitor the environments, require many small and low-power-consumption sensor nodes. In this work, to fabricate such sensor nodes, we implemented in a prototype IC an all-digital RF-transmitting scheme. The IC, which operates with a voltage of 3 V and a current of 1.6 μA, sends data intermittently and achieves long-distance communication of the order of 10 m with a 1-Mbps data rate. Since the ratio of intermittent operation is approximately 530, the average bit rate is equal to 1.8 kbps. A prototype wireless sensor node, which contains the IC and a conventional vibration sensor, demonstrates the feasibility of long-battery-life sensor nodes.

Journal

  • ITE Technical Report

    ITE Technical Report 32.45 (0), 143-148, 2008

    The Institute of Image Information and Television Engineers

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