Cognitive Radio Chip-Hardware Challenges - Hardware Conference

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Overview • Introduction Cognitive Radio (CR) • Radio Hardware Challenges & Ideas • Cognitive Radio – Software Defined Radio • Flexible Receiver – Clock Controlled Filter • Flexible Transmitter – Multi-path Architecture • Spectrum sensing – Mixed Signal X-correlator • Conclusions Cognitive Radio Challenges, Eric Klumperink 22
Cognitive Radio Transmitter Current Dream: One multi-band Flexible transmitter Upconverter LO PA Filter BB Signal LO PA Filter LO PA Filter Cognitive Radio Challenges, Eric Klumperink 23
Page 1 and 2: Cognitive Radio Chip-Hardware Chall
Page 3 and 4: Static Frequency Allocation Almost
Page 5 and 6: Applications more capacity more us
Page 7 and 8: Cognitive Radio Hardware Challenge
Page 9 and 10: How much Path Loss: “inverse squa
Page 11 and 12: Long distance large loss High SND
Page 13 and 14: Downconversion / filtering required
Page 15 and 16: Overview • Introduction Cognitive
Page 17 and 18: How implement RF band-filtering Q 1
Page 19 and 20: Flexible Integrated Filter Idea f S
Page 21: Filter Properties: flexibly tunable
Page 25 and 26: Multipath Polyphase Technique (2) A
Page 27 and 28: N-PATH: First Non-cancelled Compone
Page 29 and 30: Cancelling Harmonics/Sidebands 1-pa
Page 31 and 32: Spectrum Sensing: shadowing problem
Page 33 and 34: Linearity vs Noise Effect of non-li
Page 35 and 36: f test [Oude Alink et al, DySPAN 20
Page 37 and 38: XCSA: Measurements III RBW=10kHz si
Page 39: Questions Cognitive Radio Challenge

Cognitive Radio Chip-Hardware Challenges - Hardware Conference

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