Wideband UHF ISM-band transceiver supporting multichannel reception and DSSS modulation

2013 IEEE International Solid-State Circuits Conference Digest of Technical Papers Pub Date : 2013-03-28 DOI:10.1109/ISSCC.2013.6487812

J. V. Sinderen, G. D. Jong, Frank Leong, Xin He, M. Apostolidou, H. Kundur, R. Rutten, J. Niehof, Jos Verlinden, Hao Wang, A. Hoogstraate, K. Kwok, René Verlinden, Reinier Hoogendoorn, D. Jeurissen, Anton Salfelner, E. Bergler, Javier M. Velandia Torres, C. J. Haji-Michael, Thomas Unterweger, E. Tarvainen, Martin Posch, R. Schmidt, Markus Stattmann, J. Tyminski, P. Jean, S. Darfeuille, Olivier Aymard, A. L. Grontec, C. Boucey, C. Kelma, G. Monnerie

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引用次数: 16

Abstract

Wireless car keys, tire pressure sensors and wireless car diagnostic systems operate in the UHF ISM-bands using FSK/GFSK or ASK/OOK modulation with data rates between 0.5 and 200Kb/s. Recently, long-range car key applications have become popular, requiring the support of longer radio links within the boundaries of legislation and battery life. BPSK DSSS modulation allows increasing the transmitter power without violating legislation on maximum transmitted power density, but at the cost of having a non-constant RF signal envelope and a larger signal bandwidth. Unfortunately both these properties are not supported by classical narrow-band FSK/ASK transceivers.

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宽带UHF ism波段收发器，支持多通道接收和DSSS调制

无线汽车钥匙、轮胎压力传感器和无线汽车诊断系统使用FSK/GFSK或ASK/OOK调制，数据速率在0.5到200Kb/s之间。最近，远程汽车钥匙应用变得流行起来，需要在法律和电池寿命范围内支持更长的无线电连接。BPSK DSSS调制允许在不违反最大发射功率密度立法的情况下增加发射机功率，但代价是具有非恒定的射频信号包络和更大的信号带宽。不幸的是，传统的窄带FSK/ASK收发器不支持这两种特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 IEEE International Solid-State Circuits Conference Digest of Technical Papers

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