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CSFB终端接入非CSFB 4G网络解决方案

Solution of CSFB UE accessing no-CSFB 4G network
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摘要 针对CSFB 4G终端无法自动接入非CSFB 4G网络问题,测试定位了问题产生的原因为3GPP协议限制,然后提出了协议和终端改进建议,使CSFB 4G终端能够自动接入非CSFB 4G网络,同时能够至少驻留在一个合法网络上,改善了用户体验。 Focusing on the CSFB 4G UE couldn't access no-CSFB 4G network automatically, some tests and analysis had been done and located the root cause of the problem by 3GPP specification. Some solutions about UE and 3GPP specification were presented that maked CSFB 4G UE access no-CSFB 4G network automatically and stay in a legalized network, giving users good experience.
出处 《电信科学》 北大核心 2016年第2期153-157,共5页 Telecommunications Science
关键词 4G CSFB 自动接入 合法网络 解决方案 4G, circuit switched fallback, access automatically, legal network, solution
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参考文献10

  • 1Technical specification group services and system aspects; architectural requirements: 3GPP TS 23.221 version9.5.0-2012: 2012[S/OL]. [2012-12-13]. ftp://ftp.3gpp.orglspecsl2012-121Rel-91 23_series/.
  • 2Circuit switched (CS) fallback in evolved packet system (EPS); stage 2: 3GPP 'IS 23.272 version9.13.0-2012: 2012[S/0L]. [2012-12-18]. ftp://ftp.3gpp.org/spees/2012-12/Rel-923_series/.
  • 3GPRS enhancements for E-UTRAN access: 3GPP "IS 23.401 version9.14.0-2012: 2012[S/OL]. [2012-12-18]. ftp://ftp.3gpp. org/specs/2012-12/Rel-9/23_series/.
  • 4General packet radio service (GPRS); service description; stage 2: 3GPP TS 23.060 version9.13.0-2012: 2012[S/OL]. [2012-12-13]. ftp://ftp.3gpp.org/specs/2012-12/Rel-9/23_series/.
  • 5Mobile radio interface layer 3 specification radio resource control (RRC) protocol: 3GPP TS 44.018 Version9.13.0-2012: 2012 [S/OL]. [2012-06-29]. ftp://ftp.3gpp.org/spees/2012-12/ Rel-9/44_series/.
  • 6Network architecture: 3GPP TS 23.002 version9.6.0-2011:2011 [S/OL]. [2011-08-24]. ftp://ftp.3gpp.org/specs/2012-12/Rel-9/23_ series/.
  • 7Radio resource control (RRC) protocol specification: 3GPP TS 25.331 version9.11.0-2013: 2013[S/OL]. [2013-01-02]. ftp://ftp. 3gpp.org/specs/2012-12/Rel-9/25_series/.
  • 8Evolved universal terrestrial radio access (E-UTRA) and evolved universal ten~strial radio access (E-UTRAN); overall description: stage 2: 3GPP TS 36.300 Version9.10.0-2013: 2013 [S/OL]. [2013-01-071. ftp://ftp.3gpp.org/specs/2012-12/ Rel-9/36_series/.
  • 9Evolved universal terrestrial radio access (E-UTRA); radio resource control (RRC); protocol specification: 3GPP TS 36.331 Version9.13.0-2013: 2013[S/OL]. [2013-01-03]. ftp://ftp.3gpp. org/specs/2012-12/Rel-9/36 series/.
  • 10Non-access-stratum (NAS) protocol for evolved packet system (EPS); stage 3: 3GPP TS 24.301 verion9.10.0-2012:2012 [S/OL]. [2012-06-25]. ftp://ftp.3gpp.org/specs/2012-12/Rel-9/24 series/.

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