With the rapid growth of the wireless mobile applications, wireless voice has
begun to challenge wireline voice, whereas the desire to access e-mail, surf the
Web or download music (e.g., MP3) wirelessly is increasing for wireless data.
While second generation (2G) cellular wireless systems, such as ...
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标签：
Wireless
Systems
Mobile
Beyond
and
3G
上传时间：
2020-05-30
上传用户：shancjb
