Mobility management for wireless networks - Yuguang Fang


          "!# !#$ %&' (  ')!#!*+* $!#,( '-.*0/1 324!# . 5$2 5$567*89* :=?;A@CBA=EDF@CB>=G@CB>HJILKMBANPOA@?Q8RS@ TUWVYXPZ\[^]_U\`a[FbdcegfhUdij[^Z\klimXPfnXo`qpr bP]Vqst[uU\Zvew`YxPky`zUmU\Z{ky`Yx |n`}k~€U\Z{‚k[^ƒ„bdc…Af bPZ\klpPX †M‡Yˆ ew`‰xPk`qUmU{Z\k`‰x_Š stklf pok`‰x€‹ Œ uŽw Šb’‘‰‘‰“P‘ ‡‰” • XPky`zU{‚~–kffhUm‹—…—˜ ‡o™ “P‘P‘ šaUjfh›œ ‡Yˆo™{ž Ÿ–† “o¡ ‡Y”j†}‡ ‹—…¢XY›œ ‡Yˆo™{ž_‡P£P™ ¡ ”P”–†‰† ¤¦¥j§\¨–©aªm«mª–¬ ­‚®M¬ ªm¯o­ °1±³²–´–µ€¶q·‰´ º¸ ¹P»q¼¾½¾¼¾¿WÀJÁ1ÂoÃzÂPÄPŖÁ’Å–Ãt¿’Æa½y–À}ÇÈÂÉÇm¼¾Ä‰Ãq¼hÊqːÂPÃt¿1̂¹‰½¾Åͼ¾Ãο‚ÏqÅËjÐaÌm̂ŖÃt¿ÑÂPÃqÒÓ¿‚ÏqÅ Ô Ða¿‚ÐâÅÖÕ¼ĥŖ½¾Å–ÇmÇÁ’¹‰»a¼¾½¦ÅY0Z>A[#S3NESA:C:C8;I\=H>A@B4C:78]VBY0^08;ND947>Y04CAkA698;A69FQWBSA [c>Y:C:C>2mD9W83=?>A@B4C:78HVBYVkYWp698;YV6N83DK>qj^69>rO!4RI8HY0^A69FA69F4C0k_DK>AkA8ED9W8E6'DK>H[ V^:U:C:D9W8 kA6SA0BI O!4CY0>A[ V@B4 V^4CDK>YV^< N>Y=H=TVB0^4CNESXD947>Y0^A@U4C:78;OA8E6SXkA8 NESA:C:78;I0/1# 32f54 kA69>YVj >A[ N8;:C:CA6= S7689: 21 68: :068;=< >@?BArG 25W^4CNJWH4CY0^A@B4C:785N>Y=Q=TV^0B4CNESXDK8;AD9W8E6#VBA[h4R=?j>A69D9SA0 D'SAA[ D9W^8]=?>A@B4C:R47D P=HSA0^SXkA8;=?8;0 D4C< D9W8 W^SA0^I>XM =HSA0^SXkA8;=?8;0 Dr
W>r2 DK>HSANW^4C8EOA8]S?!>AD9W W^SA0^I>XM\2547D9W>YV^D#I8s kA6SAI^4C0klD9W8aY=Q=TV^0B4CNESXD947>Y0^OA8?SX69>YV^0^I GBD9W8_LI8;:C47OA8E6j+>YYVD9rOA8AGD9W VBN8;NESXD947>Y0q=HSA0BSXkA8;=?8;0 DEf w >NESXD947>Y0?=HSA0^SXkA8;=?8;0 D4CA6d2547698;:C8;Y0i€'8EkXs 4CY0^Y0 D9W^8_=H>A@B4C:C47D PZ=HSA0^SXkA8;=H8;0 D [b>A6 D9W8_D9W^476I\kA8;0s


    
 !"#"%$& (')
 *"+,
.-/012-3405"67"

BS

MS

MSC BS: Base Station

PSTN

MS: Mobile Station

MSC: Mobile Switching Center PSTN: Public Switched Telephone Network

…>khxPstZdUY0 254768;:78;Y0 0 V^=T@8E6 [b>A6hD9W>YA@B4R:78;< 2W^4CNWLSX698aNEV6968;0 D9:7P O4C @BSAAj8E6SXD947>Y0^NESXD947>Y0_=HSA0^SXkA8;=?8;0 DrP689: 21 68: KTSA0^I u/F: K! 68n/_- Af 'W8L698EkY4CY0 ` SA:C NESA:C:78;I u&/;: K!O&X}Tn: 9l4C0\=HSA0 P Y0BA6I8E6
DK>TI8;:C4COA8E6SnNESA:C:^TS]2547698;:C8;A6I >A[ D9W^8]=?>A@B4C:C8lVBA6I^4C0k DK>oY=?8ZA@B4C:C8*N>Y0 D9SAND9AD9WZSXj^jB69>YSANW8;NESA:C4 E8nD9W^8TYA@BY0 D9W^SXDl47Dl=HS;Pq@8T@+8EDKDK8E6*DK> A692.SX6I^4C0^kHj>Y4C0 DK8E6 [c69>Y= D9W83j^698EO47>YV^ S;OA>Y4CI =?>A68Q8#kj+8;0BY= D9W8 =?>A@B4C:78A f #PoA64C0k\:7>!NESXD94C>Y0oj^6>:B:78AGh698EkY4CY0oDK6JS QN3NESA0 SA:C\@8Q698s I^V^N8;I G D9WB4CY!NESXD94C>Y0nVj I^SXDK8dYV^:RI @+8.I>Y08'4R< Aj8;0]!V8;Y0 f 5W698E8aOA8;Y= D9W8'jB698EO!4C>YV^A6DK8;IHAD4C0HN8E6Ks D9SA4C0 I^4CA@B4C:C8T254R:C: NESX669PZ>YVD D9W^8H:7>!NESXD94C>Y0 Vj I^SXDK8Af >2#8EOA8E6;G D9W8q4C=?jB:C8;=?8;0 D9SXD94C>Y0 4RYA@B4R:78;p0>ADHW^SOA8L{Dl . 698;N8;47OA8E6Y0?>A[+D9W8'=?>A@B4R:78
Y25W^4R:78
D9W^85YY0L=QSA0 Pn[ SANDK>A6