Lista de acrónimos Lista de acrónimos Acrónimo Descripción RF Radiofrecuencia LOS Line of Sight ISI Intersymbol interferente SNR Signal-to-Noise Ratio OLOS Out-of-Line-of-Sight ITU International Telecommunication Union IEEE Institute of Electrical and Electronics Engineers OMA Omnidirectional Planar Microstrip Antenna EW Electronic Warfare EA Electronic Attack ES Electronic Support EP Electronic Protection AE Apoyo Electrónico JSR Jam-to-Signal Ratio PSR Packet Send Ratio PDR Packet Delivery Ratio BER Bit Error Rate SER Symbol Error Rate SIR Signal-to-Interference Ratio PE Protección Electrónica AJ Antijam DSSS Direct Sequence Spread Spectrum CDMA Code Division Multiple Access FHSS Frequency Hopping Spread Spectrum GSM Global System for Mobile Communications LPD Low Probability of Detection LPI Low Probability of Intercept viii Lista de acrónimos FH Frequency Hopping FFH Fast Frequency Hopping SFH Slow Frequency Hopping BBN BroadBand Noise PBN Partial-Band Noise NBN Narrow-Band Noise ST Single-Tone MT Multiple-Tone MTS Mobile Telephone System IMTS Improved Mobile Telephone System FCC Federal Communications Commission ARTS American Radio Telephone Service AMPS Advanced Mobile Phone System TDMA Time Division Multiple Access CDMA Code Division Multiple Access FDMA Frequency Division Multiple Access USDC U.S. Digital Cellular iDEN Integrated Digital Enhanced Network PDC Personal Digital Communications GPRS General Packet Switching Service EDGE Enhanced Data Rates for GSM Evolution BSS Base Station Subsystem NSS Network and Switching Subsystem OSS Operational Support Subsystem BSC Base Station Controllers BTS Base Transceiver Station MSC Mobile Switching Center SIM Subscriber Identity Module GMSK VCO Gaussian Minimum Shift Keying Voltage Controlled Oscilator ix