1
1
銆?/p>
涓撲笟鍩虹
1.1
GSM
鍩虹
1.1.
1GSM
缁艰堪
1
銆?/p>
GSM
鐨勬蹇?/p>
GSM
鏄?/p>
Global System for
Mobile Communication
鈥滃叏鐞冪Щ鍔ㄩ�氫俊绯荤粺鈥濈殑绠�绉般�傚畠鏄?/p>
涓�绉嶆暟瀛楃Щ鍔ㄩ�氫俊锛岃緝涔嬩互寰�鐨勬ā鎷熺Щ鍔ㄩ�氫俊锛屾湁杈冨鐨勪紭鐐广�?/p>
GSM
鐨勮捣婧愶細娉涙鏁板瓧铚傜獫绉诲姩閫氳缃戠畝绉?/p>
GSMM
绯荤粺锛?/p>
GSM
鍘熸剰涓衡�滅Щ鍔ㄩ�氫俊鐗?/p>
鍒皬缁勨�?/p>
锛?/p>
Group Special Mobile
锛?/p>
锛屾槸
1982
骞存娲查偖鐢典富绠￠儴闂ㄤ細璁紙
CEPT
锛変负寮�鍙戠浜屼唬
鏁板瓧绉诲姩铚傜獫绉诲姩绯荤粺鑰屾垚绔嬬殑鏈烘瀯銆?/p>
1987
骞?/p>
GSM
鎴愬憳鍥界粡鐜板満娴嬭瘯鍜岃璇佹瘮杈冿紝灏?/p>
鏁板瓧绯荤粺閲囩敤绐勫甫鏃跺垎澶氬潃
TDMA
銆佽鍒欒剦鍐叉縺鍔遍暱鏈熼娴?/p>
RPE-LTP
璇濋煶缂栫爜鍜岄珮鏂护娉?/p>
鏈�灏忕Щ棰戦敭鎺э紙
GMSK
锛夎皟鍒舵柟寮忚揪鎴愪竴鑷存剰瑙併�?/p>
1988
骞?/p>
鍗佸叓涓娲插浗瀹惰揪鎴?/p>
GSM
璋呰В
澶囧繕褰曪紙
MOU
锛?/p>
銆?/p>
1989
骞?/p>
GSM
鏍囧噯鐢熸晥銆?/p>
1991
骞?/p>
GSM
绯荤粺姝ｅ紡鍦ㄦ娲查棶涓栵紝缃戣矾寮�
閫氳繍琛屻�?/p>
1992
骞?/p>
涓栫晫涓婄涓�涓?/p>
GSM
缃戝湪鑺叞鎶曞叆浣跨敤銆備粠姝わ紝绉诲姩閫氫俊璺ㄥ叆浜嗙浜屼唬銆?/p>
GSM
鐨勭粍缁囩粨鏋勶細
ETSI
锛堟娲茬數淇℃爣鍑嗗崗浼氾級澧炶浜嗏�滅壒鍒Щ鍔ㄥ皬缁勨�?/p>
锛?/p>
TC-SMG
锛?/p>
锛?/p>
鐢ㄤ互璐熻矗鏈夊叧鏁板瓧绉诲姩涓氬姟鏍囧噯鐨勫埗瀹氥�?/p>
2
銆?/p>
GSM
绯荤粺鐨勬妧鏈�ц兘
1
锛?/p>
浣跨敤棰戞銆佸弻宸ラ棿闅旓細
鈭?/p>
GSM900
锛?/p>
890~915MHz
锛堜笂琛岋級
銆?/p>
935~960 MHz
锛堜笅琛岋級
銆傚弻宸ラ棿闅旓細
45 MHz
锛屽甫瀹斤細
200KHz
GSM1800
锛?/p>
1710~1785 MHz
锛堜笂琛岋級
銆?/p>
1805~1880 MHz
锛堜笅琛岋級
銆傚弻宸ラ棿闅旓細
95 MHz
锛?/p>
甯﹀锛?/p>
200KHz
GSM1900
锛?/p>
1850~1910 MHz
锛堜笂琛岋級
銆?/p>
1830~1890 MHz
锛堜笅琛岋級
銆傚弻宸ラ棿闅旓細
80 MHz
锛?/p>
甯﹀锛?/p>
200KHz
2
锛?/p>
銆侀�夊潃鏂瑰紡
鈭?/p>
TDMA
锛?/p>
Time division multiple access
锛堟椂鍒嗗鍧�锛?/p>
3
锛?/p>
銆佽皟鍒剁被鍨嬶細
鈭?/p>
GMSK
锛?/p>
BT=0.3
锛?/p>
瀹為檯搴旂敤
3
銆?/p>
GSM
绯荤粺鐨勬妧鏈鑼冨強涓昏搴旂敤鑼冨洿
GSM
瑙勮寖鍏辨湁
12
绔犺鑼冪郴鍒楋細
01
绯诲垪锛氭杩?/p>
02
绯诲垪锛氫笟鍔℃柟闈?/p>
03
绯诲垪锛氱綉缁滄柟闈?/p>
04
绯诲垪锛?/p>
MS-BS
鎺ュ彛鍜岃鑼冿紙绌轰腑鎺ュ彛绗?/p>
2
銆?/p>
3
灞傦級
05
绯诲垪锛氭棤绾胯矾寰勪笂鐨勭墿鐞嗗眰锛堢┖涓帴鍙ｇ
1
灞傦級
06
绯诲垪锛氳瘽闊崇紪鐮佽鑼?/p>
07
绯诲垪锛氬绉诲姩鍙扮殑缁堢閫傞厤
08
绯诲垪锛?/p>
BS
鍒?/p>
MSC
鎺ュ彛锛?/p>
A
鍜?/p>
Abis
鎺ュ彛锛?/p>
09
绯诲垪锛氱綉缁滀簰杩?/p>
10
绯诲垪锛氭殏缂?/p>
11
绯诲垪锛氳澶囧拰鍨嬪彿鎵瑰噯瑙勮寖
12
绯诲垪锛氭搷浣滃拰缁存姢
閲嶇偣鎺屾彙
04
銆?/p>
05
銆?/p>
08
绯诲垪