Wireless Communications

Recent Answers

2013-05-14 Wireless Communications - rf..:

If two wireless devices are using the same radio frequency spectrum you can not separate them with a frequency selective filter.  There are other possibilities to keep their transmissions separate, though:

2013-04-20 Wireless Communications - optical power:

There are practical limits to how much power you wish to put into a laser transmitter before you add a repeater to gain range.   There are also optical fiber non-linear effects which can add to the problems

2013-04-01 Wireless Communications - Wireless relay:

Technical Answer:  Yes, you could install a relay on that tower to provide coverage extension into your area.   The relay could be as simple as two back-to-back gain antennas connected to each other with

2013-03-27 Wireless Communications - Satellite Communication:

Assuming the two HPA are each carrying the same signal at the same frequency and the two signals arrive at the combiner with identical phases you can determine the power by adding the two levels as scalars

2013-02-25 Wireless Communications - Determining the required strength of an RF transmitter:

Hello Edie,  As a generalization, the smaller the antenna, the lower its gain.   In the communications link calculation you start with transmitter power, add transmitter antenna gain, subtract the propagation