ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
• GSM·¢ÏÖij¸öµØÇø³öÏÖSDCCHÓµÈûÔõô׼ȷ¶¨Î»µ½Ð¡Çø 2016-09-12
• MAXSDCCHNOTRXÐ޸ĺó²»ÆðЧ¹û 2016-06-27
• °®Á¢ÐÅË«±¶SDCCHÎÞ·¨¶¨Òå 2016-06-03
• GSMµÄsDCCHʧ°ÜÔÒòÖУ¬ÓÉbcsuÏÂÃÅÏÞ»òÉÏÃÅÏÞ¹ýÔØÒýÆðµÄ´óÁ¿µÄsDCCHʧ°Ü£¬¿ÉÄÜÊÇÓÉÓÚʲôÔì³ÉµÄÄØ 2016-04-14
• sDCCH£º2Ìõ¸Ä³É1ÌõÈçºÎÐ޸ģ¿ 2016-03-01
• RPG°æ±¾ÊÇGARP2EеÄTRHÀàÐÍÔز¨ÈÝÁ¿ÓëMAXNOSDCCHTRXÕâ¸ö²ÎÊýµÄ¹Øϵ£¿ 2016-02-18
• NSNgsmÓÃʲô²ÎÊý¿ªÆô¶¯Ì¬SDCCHÐŵÀ·ÖÅäºÍÔöÇ¿ÐͶ¯Ì¬SDCCHÐŵÀ·ÖÅ书ÄÜ°¡ 2016-01-30
• bcsu¹ýÔØÏÂÃÅÏÞÔÒò´óÁ¿SDCCHʧ°Ü£¬Ñ°ºôÁ¿ºÜ¸ß£¬ÒýÆðµÄÔÒòÊÇʲô£¬Ôõô½â¾ö 2016-01-25
• MAXSDCCHNOTRXÐ޸ĺó²»ÆðЧ¹û 2016-06-27
• °®Á¢ÐÅË«±¶SDCCHÎÞ·¨¶¨Òå 2016-06-03
• GSMµÄsDCCHʧ°ÜÔÒòÖУ¬ÓÉbcsuÏÂÃÅÏÞ»òÉÏÃÅÏÞ¹ýÔØÒýÆðµÄ´óÁ¿µÄsDCCHʧ°Ü£¬¿ÉÄÜÊÇÓÉÓÚʲôÔì³ÉµÄÄØ 2016-04-14
• sDCCH£º2Ìõ¸Ä³É1ÌõÈçºÎÐ޸ģ¿ 2016-03-01
• RPG°æ±¾ÊÇGARP2EеÄTRHÀàÐÍÔز¨ÈÝÁ¿ÓëMAXNOSDCCHTRXÕâ¸ö²ÎÊýµÄ¹Øϵ£¿ 2016-02-18
• NSNgsmÓÃʲô²ÎÊý¿ªÆô¶¯Ì¬SDCCHÐŵÀ·ÖÅäºÍÔöÇ¿ÐͶ¯Ì¬SDCCHÐŵÀ·ÖÅ书ÄÜ°¡ 2016-01-30
• bcsu¹ýÔØÏÂÃÅÏÞÔÒò´óÁ¿SDCCHʧ°Ü£¬Ñ°ºôÁ¿ºÜ¸ß£¬ÒýÆðµÄÔÒòÊÇʲô£¬Ôõô½â¾ö 2016-01-25
ÎÊÌâ´ð°¸
( 2 )
SDCCHÊÇÖ¸¶ÀÁ¢×¨ÓÿØÖÆÐŵÀ£ºÊÇÒ»¸öµã¶ÔµãµÄË«ÏòÐŵÀ£¬Ö÷Òª
ÓÃÓÚÔÚÒƶ¯Ì¨ºô½Ð½¨Á¢Ö®Ç°£¬¼´ÔÚʹÓÃTCH֮ǰ£¬´«ËÍ
ϵͳÐÅÏ¢£ºÈçµÇ¼ÇºÍ¼øȨºôÔÚ´ËÐŵÀÉϽøÐÐ
ÓÃÓÚÔÚÒƶ¯Ì¨ºô½Ð½¨Á¢Ö®Ç°£¬¼´ÔÚʹÓÃTCH֮ǰ£¬´«ËÍ
ϵͳÐÅÏ¢£ºÈçµÇ¼ÇºÍ¼øȨºôÔÚ´ËÐŵÀÉϽøÐÐ
»Ø´ðÕߣº
³Âˬ
»Ø´ðʱ¼ä£º2010-01-08 13:47
27 16
ÔÚGSM ÍøÂçµÄ¿Õ¼ä½Ó¿ÚÉÏ£¬Òª´«µÝ´óÁ¿ÐÅÏ¢£¬ÎÒÃǸù¾ÝÐŵÀ³ÐÔصÄÐÅÏ¢ÖÖÀ࣬¶¨ÒåÁ˲»Í¬µÄÂß¼ÐŵÀ¡£ÔÚ´«µÝÐÅÏ¢µÄ¹ý³ÌÖУ¬Âß¼ÐŵÀÒª·ÅÔÚÒ»¸öÎïÀíÐŵÀÉÏ¡£ÔÚËùÓеÄÂß¼ÐŵÀÖжÀÁ¢×¨ÓÿØÖÆÐŵÀSDCCH ÊÇÒ»¸öÏ൱ÖØÒªµÄ¿ØÖÆÐŵÀ¡£ ËüµÄÖ÷Òª×÷ÓÃÊÇÔÚÖ¸ÅÉÒµÎñÐŵÀTCH Ç°´«µÝϵͳÐÅÏ¢£¬ÈçÓû§¼øȨÐÅÏ¢¡¢Óû§µÇ¼ÇÏûÏ¢¼°ºô½Ð½ÓÐøÐÅÁîµÈÄÚÈÝ¡£
Ê×ÏÈ£¬Ó¦¸ÃÖªµÀÔÚSDCCH ÐŵÀÉÏÍê³ÉµÄ»°Îñʼþ£¬ÏÂÃ潫һһÁгö£º
1£®Î»ÖøüÐÂ
ÔÚGSM ϵͳÖУ¬Óû§µÇ¼ÇµÄ×îСÇøÓò½ÐLAC λÖÃÇøÓò¡£µ±Óû§ÔÚÒ»¸öLAC λÖÃÇøÓòÄÚʱ£¬ÎÞÂÛÔõÑùÒƶ¯¶¼ÎÞÐèÏòϵͳ±¨¸æ¡£Ö»ÓÐÓû§µ½´ïÁíÒ»¸öλÖÃÇøÓòʱ²Å»á·¢ÉúλÖøüС£Óû§·¢ÉúÒ»´ÎλÖøüÐÂÕ¼ÓÃSDCCH ÐŵÀµÄʱ¼ä´óԼΪ3.5s¡£ÆäÖд«ËÍλÖøüÐÂÏûÏ¢µÄʱ¼äΪ3s£¬´ÓSDCCH ÐŵÀÊͷŵ½BSC È·ÈÏSDCCHÐŵÀ¿ÕÏеÄʱ¼äΪ0.5s¡£
ÔÚÓû§¿ª»úʱ£¬Ê×ÏÈËÑË÷²¢Ëø¶¨ÔÚÐźÅ×îÇ¿µÄBCCH ÐŵÀÉÏ£¬ÏµÍ³ÔÚB C C H ÐŵÀÉÏ·¢ËÍϵͳ¹ã²¥ÐÅÏ¢¼°Ñ°ºôÐÅÏ¢¡£Èç¹ûÓû§ÊǵÚÒ»´Î½ÓÈ룬ÔÚMSC/VLRûÓиÃÓû§µÄÈκÎÐÅÏ¢£¬Óû§ÔÚBCCH ÐŵÀÉÏÊÕµ½ÏµÍ³¹ã²¥µÄL A C λÖÃÇøÓòÐÅÏ¢ºó£¬Á¢¼´½ÓÈëÍøÂ磬ÏòMSC/VLR ·¢³öλÖõǼǻòλÖøüÐÂÏûÏ¢£¬MSC/VLRͨ¹ý²éѯ¡¢¼øȨȷÈϺó£¬×¼ÐíÓû§½ÓÈë¡£
2£®Óû§IMSI ¸½×Å/ ·ÖÀë
ÔÚÍøÂçÖÐÆôÓÃÓû§¸½×Å/·ÖÀ빦Äܺó£¬ÔÚÓû§¹Ø»úʱÏòϵͳ·¢ËÍ×îºóÒ»´Î·ÖÀë´¦ÀíÇëÇóÏûÏ¢£¬MSC/VLRÊÕµ½·ÖÀëÏûÏ¢ºó£¬½«Óû§¶ÔÓ¦µÄIMSI±êʶΪ·ÖÀë״̬¡£IMSI·ÖÀëʱ£¬ÏµÍ³²»½øÐмøȨ£¬Ò²²»ÏòÓû§·¢ËÍÈκÎÈ·ÈÏÏûÏ¢¡£Óû§IMSI ·ÖÀëÒ»´ÎÕ¼ÓÃSDCCH µÄʱ¼ä´óԼΪ2.9s¡£ÔÚʱ¼äÉϵÈÓÚÒ»´ÎλÖøüеÄʱ¼ä¼õÈ¥Óû§IMSI ¼øȨһ´ÎµÄʱ¼ä£¬Óû§IMSI ¼øȨһ´ÎµÄʱ¼äΪ
0.6s¡£µ±Óû§ÔÚͬһ¸öLAC λÖÃÇøÓòÄÚ¿ª»úʱ£¬Óû§Ïòϵͳ·¢Ëͼ¤»î´¦ÀíÇëÇóÏûÏ¢£¬M S C / V L R ÊÕµ½Óû§ÇëÇó¡¢¼øȨͨ¹ýºó£¬½«Óû§¶ÔÓ¦µÄIMSI±êʶΪ¸½×Å״̬¡£Óû§IMSI ¸½×ÅÒ»´ÎÕ¼ÓÃSDCCH ÐŵÀµÄʱ¼äΪ3.5s£¬ÓëÓû§Íê³ÉÒ»´ÎλÖøüеÄʱ¼äÏàͬ¡£
3£®ÖÜÆÚÐÔλÖõǼÇÔÚÎÞÏßͨÐÅϵͳÖУ¬¾³£»á·¢ÉúϵͳÓëÓû§¶ªÊ§Í¨ÐŵÄÇé¿ö£¬Ê¹ÏµÍ³²»ÄÜÕÆÎÕÓû§µ±Ç°µÄλÖü°×´Ì¬ÐÅÏ¢¡£ÏµÍ³ÓëÓû§¶ªÊ§Í¨Ðŵļ¸ÖÖÇé¿öÈçÏ£º
£¨1£©Óû§ÊÖ»ú×Ô¶¯µôµç£»
£¨2£©Óû§½øÈëäÇø£»
£¨3£©ÔÚÓû§Ïòϵͳ·¢ËÍIMSI ·ÖÀëÏûϢʱ£¬ÓÉÓÚSDCCH ÐŵÀ´«ÊäÖÊÁ¿½Ï²î£¬ÎóÂëÂʸߣ¬Ê¹ÏµÍ³²»ÄÜÕýÈ·µØÒëÂ룬¶ªÊ§Óû§µÄ·ÖÀëÏûÏ¢¡£
Óöµ½ÉÏÊöÇé¿öʱ£¬ Ôںܳ¤Ò»¶Îʱ¼äÄÚϵͳ»¹ÒÔΪÓû§´¦ÓÚ¸½×Å״̬£¬»òÕßÔÚ×îºóµÇ¼ÇµÄСÇøÄÚ£¬ÕâʱÈçÓжÔÓû§µÄºô½Ð£¬ÏµÍ³»á²»¶ÏµØÏò»ùÕ¾·¢ËÍÑ°ºôÏûÏ¢£¬¶ø²»ÄÜÔÚGSM ÍøµÄ¹Ø¿Ú¾ÖÖ±½Ó֪ͨÖ÷½ÐÓû§¸ÃÓû§ÒѾ¹Ø»ú¡£ÎªÁËʹϵͳ¼°Ê±ÕÆÎÕÓû§×´Ì¬£¬ÏµÍ³¶¨ÒåÁËÖÜÆÚÐÔλÖõǼǹ¦ÄÜ£¬ ÈÃÓû§Ã¿¸ôÒ»¶¨Ê±¼äÏòϵͳ»ã±¨Ò»´ÎËùÔÚλÖã¬Èç¹ûµ½ÁËÖÜÆÚÐÔλÖõǼÇʱ¼ä£¬ÏµÍ³Ã»ÓÐÊÕµ½Óû§µÄµÇ¼ÇÏûÏ¢£¬¾ÍÔÚÓû§µÇ¼ÇµÄVLR Öн«Óû§±êʶΪ·ÖÀë״̬¡£Óû§½øÐÐÖÜÆÚÐÔλÖõǼÇÐèҪϵͳȷÈÏ£¬ ÔÚÓû§Ã»ÓÐÊÕµ½Ö¤ÊµÏûϢǰһֱÏòϵͳ·¢ËÍÖÜÆÚÐÔλÖõǼÇÏûÏ¢£¬Ö±µ½ÊÕµ½ÏµÍ³Ö¤ÊµÏûÏ¢ºó²ÅÍ£Ö¹·¢ËÍ¡£
ÔÚÓû§Ã»ÓÐÁ¬ÐøÖØ·¢µÄÇé¿öÏ£¬ Íê³ÉÒ»´ÎÖÜÆÚÐԵǼǵÄʱ¼ä´óԼΪ3.5s£¬ÓëÓû§Íê³ÉÒ»´ÎλÖøüеÄʱ¼äÏàͬ¡£ÔÚGSM ϵͳÖУ¬Ã¿¸öBSC ¿ÉÒÔ¶¨Ò岻ͬµÄÖÜÆÚÐԵǼÇʱ¼ä£¬ÏµÍ³ÔÚBCCH ÐŵÀÉÏÏòÓû§¹ã²¥ÖÜÆÚÐԵǼÇʱ¼ä¡£ÔÚʵ¼ÊÔËÐÐÍøÂçÖУ¬¿ÉÒÔ¸ù¾Ý»ùվλÖýøÐе÷Õû¡£ÔÚÎÞÏ߸²¸Ç½ÏºÃµÄÇøÓò£¬ÈçÊÐÇø£¬ÓÉÓÚϵͳäÇø½ÏÉÙÇÒÓû§Ãܶȴ󣬿ÉÒÔÊʵ±½«Óû§Î»ÖõǼÇʱ¼ä¼Ó³¤£¬ÕâÑù¿ÉÒÔÓÐЧµØ¼õÉÙϵͳµÄÐÅÁî´¦Àí¿ªÏú¡£Ïà·´ÔÚÆ«Ô¶ÇøÓò£¬ÓÉÓÚ¸²¸Ç½Ï²î£¬Óû§½øÈëäÇøµÄ»úÂʽϸߣ¬¿ÉÒÔÊʵ±Ëõ¶ÌÓû§Î»ÖõǼǵÄʱ¼ä£¬ ¿ÉÒÔʹϵͳ¼°Ê±ÕÆÎÕÓû§µÄ״̬ÐÅÏ¢¡£
4£®ºô½Ð½¨Á¢
ÔÚGSM ϵͳÖУ¬Óû§ÔÚÿ´Îºô½Ð½¨Á¢Ê±¶¼Òª½øÐмøȨ¡£Òò´Ë£¬ÔÚSDCCH ÐŵÀÉÏ´«Ë͵ÄÐÅÏ¢°üÀ¨Óû§¼øȨÏûÏ¢¼°ºô½Ð½ÓÐøÐÅÁî¡£¸ù¾Ýͳ¼Æ½á¹û£¬Óû§Íê³ÉÒ»´ÎÖ÷½Ðºô³öÕ¼ÓÃSDCCH ÐŵÀµÄʱ¼äΪ2.7s£¬Íê³ÉÒ»´Î±»½ÐÕ¼ÓÃSDCCH ÐŵÀµÄʱ¼äΪ2.9s£¬ÆäÖдÓSDCCH ÐŵÀÊͷŵ½BSC ÊÕµ½ÊÍ·Å֤ʵÐźŵÄʱ¼äΪ0.5s¡£4.5 µã¶Ôµã¶ÌÏûÏ¢´«ËÍGSM ϵͳ֧³Öµã¶Ôµã¶ÌÏûÏ¢´«ËÍÒµÎñ¡£ÔÚÓû§ÊÖ»ú¿ÕÏÐʱ£¬ÒªÕ¼ÓÃSDCCH ÐŵÀ´«ËͶÌÏûÏ¢; ÔÚÓû§Í¨»°Ê±£¬ÒªÕ¼ÓÃSDCCH ÐŵÀ´«ËͶÌÏûÏ¢¡£´«ËͶÌÏûÏ¢Õ¼ÓÃSDCCH ÐŵÀµÄʱ¼äΪ¶ÌÏûÏ¢ºô½Ð½¨Á¢Óë´«ËͶÌÏûÏ¢µÄʱ¼äºÍ¡£Óëͨ»°ºô½Ð½¨Á¢Ïà±È£¬¶ÌÏûÏ¢ºô½Ð½¨Á¢µÄÐÅÁî½Ï¶Ì¡£ÏµÍ³´«ËÍÒ»´Î¶ÌÏûÏ¢Õ¼ÓÃSDCCH ÐŵÀµÄƽ¾ùʱ¼ä´óԼΪ6.2s¡£
5£®²¹³äÒµÎñ
ÔÚGSM ÍøÂçÖУ¬³ýÁË»ù±¾µÄͨ»°ÒµÎñÒÔÍ⣬»¹¿ÉÒÔÏòÓû§ÌṩÐí¶à²¹³äÒµÎñ£¬ÈçÀ´µçÏÔʾ¡¢ºô½ÐÇ°´«¡¢ºô½ÐÏÞÖÆ¡¢Èý·½Í¨»°µÈ²¹³äÒµÎñ¡£ËùÓв¹³äÒµÎñµÄ¼¤»î¶¼ÒªÕ¼ÓÃSDCCH ÐŵÀ£¬¸ù¾Ýͳ¼Æ½á¹û£¬Ã¿¼¤»îÒ»´Î²¹³äÒµÎñÕ¼ÓÃSDCCH ÐŵÀµÄʱ¼ä´óԼΪ0.9s¡£
»Ø´ðÕߣº
lacgx0113
»Ø´ðʱ¼ä£º2010-01-08 15:26
26 19
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |