A Dual-Band CMOS MIMO Radio SoC for IEEE 802.11n Wireless LAN

Abstract

<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> An 802.11n-draft-compliant 2<formula formulatype="inline"><tex Notation="TeX">$\,\times\,$</tex> </formula>2, 2-stream MIMO radio SoC, incorporating two dual-band RF transceivers, analog baseband filters, data converters, digital PHY and MAC, and a PCI Express interface, has been integrated in a standard 0.13-<formula formulatype="inline"> <tex Notation="TeX">$\mu$</tex></formula>m digital CMOS technology with a die area of 36 mm<formula formulatype="inline"><tex Notation="TeX">$^{2}$</tex> </formula>. The receiver achieves noise figures of 4 dB and 6 dB, respectively, at 2.4 GHz and 5 GHz. The transmitter EVM for a 2-stream, 40-MHz-bandwidth 64-QAM OFDM signal is <formula formulatype="inline"><tex Notation="TeX">${-}$</tex> </formula>31 dBc at 2.4 GHz and <formula formulatype="inline"><tex Notation="TeX">${-}$</tex> </formula>8 dBm output power and <formula formulatype="inline"><tex Notation="TeX">${-}$</tex> </formula>31.5 dBc at 5 GHz and <formula formulatype="inline"><tex Notation="TeX">${-}$</tex> </formula>4 dBm output power. </para>