User manual

DTS Broadcast PDH Microwave Digital Radio User Manual
-103-
11 Symbols and abbreviations
11.1 Symbols
• dB deciBel
• dBm deciBel relative to 1 milliwatt
• GHz GigaHertz
• kHz kiloHertz
• Mbit/s Megabits per second
• MHz MegaHertz
• ppm parts per million
11.2 Abbreviations
• AC alternating current
• ACAP Adjacent Channel Alternate Polarization
• ACCP Adjacent Channel Co-Polarization
• ATPC Automatic Transmit Power Control
• BBER Background Block Error Rate
• BER Bit Error Rate
• C/I Carrier to Interference ratio
• CMI Coded Mark Inversion
• CSmin minimum practical Channel Separation
(for a given radio-frequency channel arrangement)
• CW Continuous Wave
• DRRS Digital Radio Relay Systems
• EMC ElectroMagnetic Compatibility
• ERC European Radiocommunications Committee
• ESR Errored Seconds Ratio
• IF Intermediate Frequency
• IPI Inter-Port Isolation
• LO Local Oscillator
• NFD Net Filter Discrimination
• PDH Plesiochronous Digital Hierarchy
• PRBS Pseudo Random Binary Sequence
• RBER Residual BER
• RF Radio Frequency
• RFC Remote Frequency Control
• RSL Receive Signal Level
• RTPC Remote Transmit Power Control
• Rx Receive
• TMN Telecommunications Management Network
• TX Transmit