A 122-mW Low-Power Multiresolution Spectrum-Sensing IC With Self-Deactivated Partial Swing Techniques
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- A 122-mW Low-Power Multiresolution Spectrum-Sensing IC With Self-Deactivated Partial Swing Techniques
- Song, Taejoong; Park, Jongmin; Lee, Sang Min; Choi, Jaehyouk; Kim, Kihong; Lee, Chang-Ho; Lim, Kyutae; Laskar, Joy
- Cognitive radio (CR); Digital window generator (DWG); Low-power random access memory (RAM); Multiresolution spectrum sensing (MRSS); Partial swing technique
- Issue Date
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.57, no.3, pp.188 - 192
- A low-power multiresolution spectrum-sensing (LP-MRSS) IC utilizing self-deactivated partial swing techniques is fabricated in 0.18-μm complementary metaloxideCMOS technology. The LP-MRSS is composed of a low-power digital window generator, analog correlators, low-power pipeline analog-to-digital converters, and a fast-sweeping frequency synthesizer. The LP-MRSS dissipates 122 mW at a 1.8-V supply voltage achieving an approximately 33% power reduction over the previous MRSS IC.
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