Question: The 66 low orbit satellites
The 66 low-orbit satellites in the Iridium project are divided into six necklaces around the earth. At the altitude they are using, the period is 90 minutes. What is the average interval for handoffs for a stationary transmitter?
Answer to relevant QuestionsConsider a satellite at the altitude of geostationary satellites but whose orbital plane is inclined to the equatorial plane by an angle. To a stationary user on the earth's surface at north latitude, does this satellite ...Is an oil pipeline a simplex system, a half-duplex system, a full-duplex system, or none of the above?In the four-sector LMDS example of Fig. 2-30, each sector has its own 36-Mbps channel. According to queuing theory, if the channel is 50% loaded, the queuing time will be equal to the download time. Under these conditions, ...A pure sine wave of amplitude A is encoded using delta modulation, with x samples/sec. An output of +1 corresponds to a signal change of +A/8, and an output signal of -1 corresponds to a signal change of -A/8. What is the ...In a typical mobile phone system with hexagonal cells, it is forbidden to reuse a frequency band in an adjacent cell. If 840 frequencies are available, how many can be used in a given cell?
Post your question