In recent years, cellular voice networks have transformed into powerful packet-switched
access networks for both voice communication and Internet access. Evolving Universal
Mobile Telecommunication System (UMTS) networks and first Long Term Evolution
(LTE) installations now deliver bandwidths of sev ...
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标签：
BRINGING
NETWORKS
Beyond
and
3G
4G
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2020-05-26
上传用户：shancjb
