2Dtwo-dimensional 2Gsecond generation 3Gthird generation ADCanalog-to-digital converter AWGNadditive white Gaussian noise BERbit error rate BPSKbinary-phase shift keying BSbase station CAGRcompound annual growth rate CDMAcode division multiple access CEconsumer electronics CEAConsumer Electronics Association CMFclassical matched filter CMOScomplementary metal-oxide semiconductor CPEcustomer-premises equipment CSMA/CAcarrier sense multiple access with collision avoidance CWcontinuous waveform dBdecibel dBmdecibel in milliwatts DH-TRdelay-hopped transmitted reference DSRDdrift step recovery diode DSSSdirect sequence spread spectrum DTVdigital TV DS-UWBdirect sequence ultra-wideband DVDdigital video disc DVIdigital visual interface DVRdigital video recorder EIRPequivalent (or effective) isotropic radiated power ERCEuropean Resuscitation Council ETSIEuropean Telecommunications Standards Institute FCCFederal Communications Commission FDMAfrequency division multiple access FDTDfinite difference time domain FFTFast Fourier Transform FHSSfrequency-hopping spread spectrum GHzgigahertz GPRground-penetrating radar GPRICGround Penetrating Radar Industry Coalition GPSglobal positioning system GSMglobal system for mobile communications IDAInfocomm Development Authority IDFIntel Developer Forum IFintermediate frequency IS-95Interim Standard 95 ISMindustrial, scientific, and medical kHzkilohertz LASSlight-activated silicon switching LCDliquid crystal display LOSline of sight LPI/Dlow probability of interception and detection MACmedium access control MAImultiple-access interference MBOAMultiband OFDM Alliance MB-OFDMmultiband orthogonal frequency division multiplexing Mbpsmegabits per second MHzmegahertz MO&Omemorandum opinion and order MPHPTMinistry of Public Management, Home Affairs, Posts and Telecommunications MSmobile station NBInarrowband interference NLOSnon-line of sight NOInotice of inquiry NPRMnotice of proposed rulemaking OEMoriginal equipment manufacturer OFDMorthogonal frequency-division multiplexing OOKon-off keying PApower amplifier PAMpulse-amplitude modulation PCpersonal computer PGprocessing gain PHYphysical layer PNpseudorandom noise PPMpulse-position modulation PSDpower spectral density PSTNpublic switched telephone network PULSERSpervasive ultra-wideband low spectral energy radar systems PVRpersonal video recorder RARadiocommunications Agency RADARradio detection and ranging RFradio frequency SINRsignal-to-interference-plus-noise ratio SIRsignal-to-interference ratio SNRsignal-to-noise ratio SRDstep recovery diode TDtunnel diode TDMAtime division multiple access TH-PPMtime hopping with pulse-position modulation TM-UWBtime-modulated ultra-wideband TRtransmitted reference UCANultra-wideband concepts for ad-hoc networks UHFultra-high frequency ULTRAWAVESultra wideband audio video entertainment systems U-NIIunlicensed national information infrastructure UWBultra-wideband UWB-MAultra-wideband multiple access WLANwireless local area network WLLwireless local loop WPANwireless personal area network |