I'm in the process of brushing up on a series of telecommunication systems and protocols (802.11*, GSM, wireless communication basics, ...) and I wonder which site would be suited best. It doesn't seem to fit on SO, as it doesn't really have to do with implementations. It could border on electrical engineering, but I'm not sure there. The same holds for the computer science beta.
What would be a good site for these things?
Would questions about the robustness against tampering (say, in the case of WiFi or GSM) belong on IT Security?
How does using several 8 bit Barker-like codes work in 802.11b to sneak in extra bits?
Why does the combination of OFDM and DSSS in 802.11g allow higher data rates?
What are (are there?) measures that can be taken by GSM [UMTS] providers to prevent competitors from jamming entire cells?