
42 ◾ Mobile Evolution: Insights on Connectivity and Service
(LTE-A) are evolutionary technologies with tremendous global interest and are pivotal in the
emergence of mobile broadband toward 4G and beyond. On a global basis, the International
Telecommunications Union (ITU) has identied three regions* for spectrum harmonization, as
illustrated in Figure 3.5.
e widespread appeal of ICT is a testimony of an intrinsic demand for connectedness,
manifested in a variety of modes of information—presence, voice, video, and data. Relationships,
*
http://life.itu.int/radioclub/rr/art05.htm#Reg.
0
6
12
Billions of devices
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