Some informative links

Seems to be a nice site for sensing and receiving over TCP/IP interfaces.

http://www.wu.ece.ufl.edu/projects/softwareRadio/#Project%20paper

Nice supporting site for the above

http://www.cs.uni-paderborn.de/en/research-group/research-group-computer-networks/projects/gsr.html#pubs

Nice webpage with lots of beginers reports

http://academic.csuohio.edu/yuc/mobile/

A thesis project on locating and synchronising against BTS with a USRP device using gnuradio

http://code.google.com/p/cell-sync-usrp/

RAW OFDM

http://people.csail.mit.edu/szym/rawofdm/README.html

GSM Scanner

http://www.scribd.com/doc/7227614/Gsm-Scanning-Tutorial

A GNU Radio-USRP based Software Defined Radar

http://etd.ohiolink.edu/send-pdf.cgi/Patton%20Lee.pdf?wright1176142845

Find a GSM base station manually with USRP

http://273k.net/gsm/find-a-gsm-base-station-manually-using-a-usrp/

Radioware documentation

http://radioware.nd.edu/documentation

Nice one to see the FM demodulation

http://gnuradio.squarespace.com/gr-tutorial/

Nice tutorials by Tom

http://gnuradio.squarespace.com/gr-tutorial/