头脑冷静
发表于 2025-3-23 10:50:20
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engagement
发表于 2025-3-23 15:44:05
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使害怕
发表于 2025-3-23 18:50:17
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一个姐姐
发表于 2025-3-23 23:32:39
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全国性
发表于 2025-3-24 05:09:32
Application of Location Information to SIP,P enables its usage to provide Location Based Services..There are some open issues regarding security and privacy when the information traverses from wireless to wire networks. In Internet the security is performed using basic mechanism and after crossing the border of 3G networks towards public domains, the security is not ensured.
Triglyceride
发表于 2025-3-24 08:40:25
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Immortal
发表于 2025-3-24 11:41:42
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EXULT
发表于 2025-3-24 15:38:14
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minaret
发表于 2025-3-24 20:00:40
Book 2002he determination of the geographic location of mobile devices. 2G systems of GSM, GPRS and 3G systems of UMTS and cdma2000, and other link technologies and an extensive description on how numerical location of the mobile can be tracked real-time also are discussed...Geographic Location in the Intern
合群
发表于 2025-3-25 02:11:40
Book 2002eb protocol of HTTP. The Wireless Application Protocol (WAP) forum also defined a technical specification for location-based services, which is discussed in detail. A detailed analysis of the location update mechanisms covers various technical issues in location database design, and protocols are co