MME
鏄?/p>
LTE
缃戠粶鐨勭綉鍏?/p>
,
鍜?/p>
S-GW,P-GW
涓�璧疯绉颁綔
4G
鐨勬牳蹇冪綉锛?/p>
EPC.
杩欎笁涓綉
鍏冮兘鏄�昏緫缃戝厓
,
鎰忓懗鐫�浠讳綍鍘傚锛堢埍绔嬩俊
,
鍗庝负
,
涓叴绛夛級寤虹珛鐨?/p>
LTE
缃戠粶蹇呴』瑕佹湁杩欎笁涓?/p>
閫昏緫缃戝厓
.
瀹為檯鐢熶骇杩囩▼涓?/p>
,
涓轰簡鑺傜渷鎴愭湰
,
鏈変簺鎶�鏈ソ鐨勫巶瀹跺彲浠ョ敤涓�濂楃郴缁?/p>
锛堢‖浠?/p>
+
杞欢锛?/p>
鍚屾椂浣滀负
3G
缃戝厓鍜?/p>
4G
缃戝厓
,
姣斿鍗庝负缁忓父鎶?/p>
3G
鐨?/p>
SGSN
鍜?/p>
4G
鐨?/p>
MME
鍏辩敤涓�濂楃郴缁?/p>
锛堢‖浠?/p>
+
杞欢锛?/p>
,
鍗庝负鐨?/p>
S-GW,P-GW
缁忓父鍚堜竴涓轰竴濂楃郴缁?/p>
,
鍚屾椂杩樻敮鎸?/p>
3G
鐨?/p>
GGSN.
鍙﹀娉ㄦ剰
,2G/3G
涓殑鍒嗙粍鍩熸牳蹇冪綉鍏冩槸
SGSN,GGSN.SGSN
鐢ㄤ簬鎺ュ叆鐢ㄦ埛
,
绠＄悊鐢?/p>
鎴?/p>
,GGSN
鏄叧鍙ｅ眬
,
閾炬帴
Internt. LTE
锛?/p>
4G
锛?/p>
缃戠粶涓殑鍒嗙粍鍩熸牳蹇冪綉鍏冩槸
MME,S-GW,P-GW.
鍏朵腑
MME
鐢ㄤ綔绉诲姩绠＄悊
, P-GW
閾炬帴
Internet, S-GW
浣滀负鐢ㄦ埛鎺ュ叆缃戠粶鍋氫竴浜涜矾鐢遍�夋嫨
,
璧勬簮鍒嗛厤绛夊伐浣?/p>
. LTE
鐨勭綉缁滆妭鐐瑰拰
3G
鐨勭綉缁滆妭鐐瑰姛鑳界被浼?/p>
,
浣嗘槸涓�涓槸缁?/p>
3G
鏈嶅姟
,
涓�涓槸
缁?/p>
4G
鏈嶅姟
.
1.GSM
MS
:
绉诲姩鍙般�?/p>
绠�鍗曠悊瑙ｇ被浼兼墜鏈轰竴鏍风殑涓滆タ锛?/p>
鍖呮嫭绉诲姩鍙扮墿鐞嗚澶囧拰鏅烘収閮ㄤ欢
SIM
鍗?/p>
涓ら儴鍒嗭紝绫诲瀷鏈夎溅杞藉彴銆佷究鎼哄彴浠ュ強鎵嬫寔鍙扮瓑銆?/p>
BTS/NODEB
:
鍩虹珯鏀跺彂鍙帮紙
Base Transceiver Station
锛?/p>
锛屾湳璇熀绔欏瓙绯荤粺鐨勬棤绾块儴
鍒嗭紝
鐢?/p>
BSC
鎺у埗锛?/p>
鏈嶅姟浜庢煇涓皬鍖虹殑鏃犵嚎鏀跺彂淇¤澶囷紝
瀹屾垚
BSC
涓庢棤绾夸俊閬撲箣闂寸殑杞崲锛?/p>
瀹炵幇
BTS
鍜岀Щ鍔ㄥ彴涔嬮棿閫氳繃绌轰腑鎺ュ彛鐨勬棤绾夸紶杈撳強鐩稿叧鐨勬帶鍒跺姛鑳姐�?/p>
BSC/RNC
:
鍩虹珯鎺у埗鍣紙
base station control
锛?/p>
锛?/p>
BSC
鍦ㄥ熀绔欏瓙绯荤粺涓捣鎺у埗鍣ㄥ拰璇?/p>
鍔￠泦涓櫒浣滅敤锛屼竴涓熀绔欐帶鍒跺櫒鏍规嵁璇濆姟閲忓彲浠ユ帶鍒舵暟鍗佷釜
BTS
銆?/p>
MSC
:
绉诲姩涓氬姟浜ゆ崲涓績锛?/p>
mobile switching center
锛?/p>
锛屾槸缃戣矾鐨勬牳蹇冿紝瀹冩彁渚涗氦鎹?