A digital back-end of energy detection UWB impulse radio receiver

This paper presents a digital back-end design for energy detection IR-UWB receivers which can be adopted in RFID and wireless sensor applications. A baseband processor is designed on the basis of a novel synchronization and estimation algorithm. It reduces implementation complexity and energy consumption. A programmable timing circuitry with 1.04ns phase resolution is also devised in this work. The digital back-end is implemented in UMC 90nm process, with 222µW power and 140*220µm2 die area.

[1]  Denis C. Daly,et al.  A 0.55V 16Mb/s 1.6mW non-coherent IR-UWB digital baseband with ±1ns synchronization accuracy , 2009, 2009 IEEE International Solid-State Circuits Conference - Digest of Technical Papers.

[2]  Andrea Bevilacqua,et al.  An Energy-Detector for Noncoherent Impulse-Radio UWB Receivers , 2009, IEEE Transactions on Circuits and Systems I: Regular Papers.

[3]  A. Rabbachin,et al.  Synchronization analysis for UWB systems with a low-complexity energy collection receiver , 2004, 2004 International Workshop on Ultra Wideband Systems Joint with Conference on Ultra Wideband Systems and Technologies. Joint UWBST & IWUWBS 2004 (IEEE Cat. No.04EX812).

[4]  Georges G. E. Gielen,et al.  A 46pJ/pulse analog front-end in 130nm CMOS for UWB impulse radio receivers , 2008, ESSCIRC 2008 - 34th European Solid-State Circuits Conference.

[5]  Hannu Tenhunen,et al.  Impulse UWB energy detection receiver with energy offset synchronization scheme , 2009, 2009 IEEE International Conference on Ultra-Wideband.

[6]  Li-Rong Zheng,et al.  Future RFID and Wireless Sensors for Ubiquitous Intelligence , 2008, 2008 NORCHIP.

[7]  Ian Oppermann,et al.  An ultrawideband system architecture for tag based wireless sensor networks , 2005, IEEE Transactions on Vehicular Technology.

[8]  Mariagrazia Graziano,et al.  A VHDL-AMS Simulation Environment for an UWB Impulse Radio Transceiver , 2008, IEEE Transactions on Circuits and Systems I: Regular Papers.