With the assistance of a block diagram, describe the function of a satellite earth station down-converter.7E 4046
List the main components of an earth station transmitter. With the assistance of a block diagram, briefly explain its function of operation.7E 4046
Calculate the efficiency and spectral efficiency of the DS-CDMA system with an omnidirectional cell using the following data :7E 4046
Describe the CDMA systems and what are the advantages and disadvantages of using CDMA for a cellular network.7E 4046
A communication satellite system is used exclusively for voice signal transmission, it employ an 8-psk modulation scheme with a spectral efficiency of 3.356 b/8/Hz,7E 4046
Corresponding to an error power (Pe) of 10-8
While maintaining a C/N equal to 21.5 dB of earth station transmit with TDMA one brust per frame for a frame period of 2ms, determine the maximum number of voice channels the transponder bandwidth can accommodate if the total number of guard and preamble bits is 680.