QCVN 99:2015/BTTTT 1.4.16. Transceiver OBU The equipment is placed fixedly on a vehicle transmitting reply signals to a detection signal. 1.4.17. Transponder As part of the equipment OBU without being spontaneous in the 5.8 GHz band. 1.5. Symbols Attenuation of AT2 ATNAT2 ATNBLN Attenuation of BLN Attenuation of calibrated coaxial calibration 1 ATNCA1 Distance between the phase center of transmitting antenna and receiving antenna D Horizontal displacement of the antenna phase center of TTA and RTA ddisplace Distance from the transmitting antenna to the first Fresnel ellipse dF1 Distance from the first Fresnel ellipse to the receiving antenna dF2 The largest linear direction of the antenna under test D0,EUT e.i.r.p referenced the transmitting spectrum mask EIRPTSM Frequency error of RSU ∆f RSU Frequency error of the subcarrier ∆fs fc Center frequency of the receiver Actual center frequency of the lower and upper side band of the upward channel f ObuTx Frequency of MSS1 fMSS1 Offset frequency foffset Nominal subcarrier frequency of OBU fs Nominal subcarrier frequency of RSU fTX Actual center frequency of the downward carrier fTX,actual fu Nominal center frequency of unwanted signals Center frequencies of the unwanted signal fu1, fu2 Gc The conversion gain Correction gain Gcoit OBU gain of the receiving antenna GOBU,Rx OBU gain of the transmitting antenna GOBU,Tx Gain of the receiving substitution antenna GRSA Gain of the test antenna GTA Gain of the transmitting substitution antenna GTSA The transmitting antenna gain of RSU GRSU,Tx coefficient of expansion (coefficient of convergence) k Modulation index m 7
QCVN 99:2015/BTTTT 1.4.16. Transceiver OBU The equipment is placed fixedly on a vehicle transmitting reply signals to a detection signal. 1.4.17. Transponder As part of the equipment OBU without being spontaneous in the 5.8 GHz band. 1.5. Symbols ATNAT2 Attenuation of AT2 ATNBLN Attenuation of BLN ATNCA1 Attenuation of calibrated coaxial calibration 1 D Distance between the phase center of transmitting antenna and receiving antenna ddisplace Horizontal displacement of the antenna phase center of TTA and RTA dF1 Distance from the transmitting antenna to the first Fresnel ellipse dF2 Distance from the first Fresnel ellipse to the receiving antenna D0,EUT The largest linear direction of the antenna under test EIRPTSM e.i.r.p referenced the transmitting spectrum mask ∆f RSU Frequency error of RSU ∆fs Frequency error of the subcarrier fc Center frequency of the receiver f ObuTx Actual center frequency of the lower and upper side band of the upward channel fMSS1 Frequency of MSS1 foffset Offset frequency fs Nominal subcarrier frequency of OBU fTX Nominal subcarrier frequency of RSU fTX,actual Actual center frequency of the downward carrier fu Nominal center frequency of unwanted signals fu1, fu2 Center frequencies of the unwanted signal Gc The conversion gain Gcoit Correction gain GOBU,Rx OBU gain of the receiving antenna GOBU,Tx OBU gain of the transmitting antenna GRSA Gain of the receiving substitution antenna GTA Gain of the test antenna GTSA Gain of the transmitting substitution antenna GRSU,Tx The transmitting antenna gain of RSU k coefficient of expansion (coefficient of convergence) m Modulation index 7
QCVN-99-thiet-bi-vo-tuyen--toc-do-TB.DOCX