communications hardware and software for communication signal processing and simulation, graphical user interface, and display of processed cellular signal data; for measuring and processing radio frequency characteristics of cellular telephone signals for detecting fraudulent cellular phone calls; for geographically locating cellular telephones and wireless emitters using wireless emitted signals; for measuring, processing, and displaying signals in the cellular band for monitoring the quality of the cellular network

'band':59 'call':37 'cellular':18,29,35,41,58,66 'characterist':27 'communic':1,6 'data':20 'detect':33 'display':15,54 'emit':48 'emitt':45 'fraudul':34 'frequenc':26 'geograph':39 'graphic':11 'hardwar':2 'interfac':13 'locat':40 'measur':22,51 'monitor':61 'network':67 'phone':36 'process':8,17,24,52 'qualiti':63 'radio':25 'signal':7,19,31,49,55 'simul':10 'softwar':4 'telephon':30,42 'use':46 'user':12 'wireless':44,47

custom design of communications equipment for others

'communic':4 'custom':1 'design':2 'equip':5 'other':7

SIGNAL SCIENCE

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