通信网络的类型有哪些？ 网络的类型有哪些?
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1\u3001CDMA\u7f51\u7edc\u5236\u5f0f\uff1a
CDMA (Code Division Multiple Access) \u53c8\u79f0\u7801\u5206\u591a\u5740\uff0c\u662f\u5728\u65e0\u7ebf\u901a\u8baf\u4e0a\u4f7f\u7528\u7684\u6280\u672f\uff0cCDMA \u5141\u8bb8\u6240\u6709\u7684\u4f7f\u7528\u8005\u540c\u65f6\u4f7f\u7528\u5168\u90e8\u9891\u5e26\uff0cCDMA\u7f51\u7edc\u662f\u4e2d\u56fd\u8054\u901a\u8fd0\u8425\u7684\u7f51\u7edc\uff0c\u540e\u6765\u53c8\u63a8\u51fa\u66f4\u4e3a\u7a33\u5b9a\u7684CDMA 1X\u7f51\u7edc\u7cfb\u7edf\u3002
2\u3001GPRS\u7f51\u7edc\u5236\u5f0f\uff1a
GPRS\u7684\u82f1\u6587\u5168\u79f0\u4e3a\u201cGeneral Packet Radio Service\u201d\uff0c\u4e2d\u6587\u542b\u4e49\u4e3a\u201c\u901a\u7528\u5206\u7ec4\u65e0\u7ebf\u670d\u52a1\u201d\uff0c\u5b83\u662f\u5229\u7528\u201c\u5305\u4ea4\u6362\u201d\uff08Packet-Switched\uff09\u7684\u6982\u5ff5\u6240\u53d1\u5c55\u51fa\u7684\u4e00\u5957\u57fa\u4e8eGSM\u7cfb\u7edf\u7684\u65e0\u7ebf\u4f20\u8f93\u65b9\u5f0f
3\u3001CDPD\u7f51\u7edc\u5236\u5f0f\uff1a
CDPD\u662fCellular digital packet data\u7684\u7f29\u5199\uff0c\u5373\u8702\u7a9d\u6570\u5b57\u5f0f\u5206\u7ec4\u6570\u636e\u4ea4\u6362\u7f51\u7edc\uff0c\u662f\u4ee5\u5206\u7ec4\u6570\u636e\u901a\u4fe1\u6280\u672f\u4e3a\u57fa\u7840\u3001\u5229\u7528\u8702\u7a9d\u6570\u5b57\u79fb\u52a8\u901a\u4fe1\u7f51\u7684\u7ec4\u7f51\u65b9\u5f0f\u7684\u65e0\u7ebf\u79fb\u52a8\u6570\u636e\u901a\u4fe1\u6280\u672f\uff0c\u88ab\u4eba\u4eec\u79f0\u4f5c\u771f\u6b63\u7684\u65e0\u7ebf\u4e92\u8054\u7f51\u3002
\u6269\u5c55\u8d44\u6599\uff1a
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\u4e00\u3001CDMA\u7f51\u7edc\uff1a
1\u3001\u4fdd\u5bc6\u529f\u80fd\u5f3a\uff1aCDMA\u79fb\u52a8\u901a\u4fe1\u6280\u672f\uff0c\u91c7\u7528\u4e86\u4e00\u79cd\u5341\u5206\u5148\u8fdb\u7684\u201c\u7801\u5206\u591a\u5740\u6280\u672f\u201d \u4e3a\u79fb\u52a8\u7535\u8bdd\u63d0\u4f9b\u72ec\u7279\u3001\u8d85\u5f3a\u7684\u901a\u8bdd\u4fdd\u5bc6\u529f\u80fd \u3002
2\u3001\u63d0\u4f9b\u4f18\u8d28\u7684\u901a\u8bdd\uff1aCDMA\u7684\u7f51\u7edc\u7ed3\u6784\u53ef\u4ee5\u652f\u630113kb\u7684\u8bed\u97f3\u7f16\u7801\u5668\uff0c\u56e0\u6b64\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u901a\u8bdd\u8d28\u91cf\u3002
\u4e8c\u3001GPRS\u7f51\u7edc\uff1a
1\u3001\u4f20\u8f93\u901f\u7387\u9ad8\uff1a\u5b83\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0d\u662fWAP\u6240\u80fd\u6bd4\u62df\u7684\u3002GPRS\u53ef\u63d0\u4f9b\u9ad8\u8fbe115kbit/s\u7684\u4f20\u8f93\u901f\u7387\uff0c\u901f\u5ea610\u500d\u4e8eGSM\u3002
2\u3001\u63a5\u5165\u65f6\u95f4\u77ed\uff1a\u5206\u7ec4\u4ea4\u6362\u5927\u5927\u7f29\u77ed\u63a5\u5165\u65f6\u95f4\uff0cGPRS\u662f\u4e00\u79cd\u65b0\u7684GSM\u6570\u636e\u4e1a\u52a1\uff0c\u5b83\u53ef\u4ee5\u7ed9\u79fb\u52a8\u7528\u6237\u63d0\u4f9b\u65e0\u7ebf\u5206\u7ec4\u6570\u636e\u63a5\u5165\u80a1\u52a1\u3002
\u4e09\u3001CDPD\u7f51\u7edc\uff1a
1\u3001\u63a5\u5165\u65b9\u4fbf\uff1aCDPD\u7cfb\u7edf\u662f\u57fa\u4e8eTCP/IP\u7684\u5f00\u653e\u7cfb\u7edf\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u63a5\u5165Internet\uff0c\u6240\u6709\u57fa\u4e8eTCP/IP\u534f\u8bae\u7684\u5e94\u7528\u8f6f\u4ef6\u90fd\u53ef\u4ee5\u65e0\u9700\u4fee\u6539\u76f4\u63a5\u4f7f\u7528\u3002
2\u3001\u5e94\u7528\u8f6f\u4ef6\u5f00\u53d1\u7b80\u4fbf\uff1a\u79fb\u52a8\u7ec8\u7aef\u901a\u4fe1\u7f16\u53f7\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528IP\u5730\u5740\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u7f51\u7edc\u7c7b\u578b
(1)定义:通信网络是由一定数量的节点(包括终端节点和交换节点)和连接这些节点的传输系统有机地组织在一起的
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绛旓細缃戠粶绫诲瀷:GSM銆丆DMA銆丟SM/CDMA銆乄CDMA銆乁MTS GSM[1]鍏ㄥ悕涓猴細Global System for Mobile Communications锛屼腑鏂囦负鍏ㄧ悆绉诲姩閫氳绯荤粺锛屼織绉"鍏ㄧ悆閫"锛屾槸涓绉嶈捣婧愪簬娆ф床鐨勭Щ鍔閫氫俊鎶鏈爣鍑嗭紝鏄浜屼唬绉诲姩閫氫俊鎶鏈紝鍏跺紑鍙戠洰鐨勬槸璁╁叏鐞冨悇鍦板彲浠ュ叡鍚屼娇鐢ㄤ竴涓Щ鍔ㄧ數璇濈綉缁滄爣鍑嗭紝璁╃敤鎴蜂娇鐢ㄤ竴閮ㄦ墜鏈哄氨鑳借閬嶅叏鐞冦傛垜鍥...
绛旓細銆愮瓟妗堛戯細C 缃戠粶绫诲瀷鎸閫氫俊鑼冨洿鍒嗕负灞鍩熺綉銆佸煄鍩熺綉銆佸箍鍩熺綉銆
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绛旓細涓銆佸眬鍩熺綉锛1銆侀氬父鎴戜滑甯歌鐨勨淟AN鈥濆氨鏄寚灞鍩熺綉锛岃繖鏄垜浠渶甯歌銆佸簲鐢ㄦ渶骞跨殑涓绉缃戠粶銆傚眬鍩熺綉闅忕潃鏁翠釜璁＄畻鏈虹綉缁滄妧鏈殑鍙戝睍鍜屾彁楂樺緱鍒板厖鍒嗙殑搴旂敤鍜屾櫘鍙婏紝鍑犱箮姣忎釜鍗曚綅閮芥湁鑷繁鐨勫眬鍩熺綉锛屾湁鐨勭敋鑷冲搴腑閮芥湁鑷繁鐨勫皬鍨嬪眬鍩熺綉銆備簩銆佸煄鍩熺綉锛2銆佽繖绉嶇綉缁滀竴鑸潵璇存槸鍦ㄤ竴涓煄甯傦紝浣嗕笉鍦ㄥ悓涓鍦扮悊灏忓尯...
绛旓細1銆佸箍鍩缃 骞垮煙缃慦AN(Wide Area Network)锛屼綔鐢ㄨ寖鍥撮氬父涓哄嚑鍗佸埌鍑犲崈鍏噷锛屽洜鑰屾湁鏃朵篃绉拌繙绋嬬綉(long haul network)锛岃繛鎺ュ箍鍩熺綉鍚勮妭鐐逛氦鎹㈡満鐨勯摼璺竴鑸兘鏄珮閫熼摼璺紝鍏锋湁杈冨ぇ鐨閫氫俊瀹归噺銆2銆佸煄鍩熺綉 鍩庡煙缃慚AN(Metropolitan Area NetWork)锛屼綔鐢ㄨ寖鍥翠竴鑸槸涓涓煄甯傘3銆佸眬鍩熺綉 灞鍩熺綉LAN(Local Area...
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绛旓細閫氫俊缃戠粶绉嶇被绻佸
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绛旓細3G锛氱涓変唬绉诲姩閫氫俊鎶鏈紝鏄寚鏀寔楂橀熸暟鎹紶杈撶殑铚傜獫绉诲姩閫氳鎶鏈3G鏈嶅姟鑳藉鍚屾椂浼犻佸０闊冲強鏁版嵁淇℃伅锛岄熺巼涓鑸湪鍑犵櫨kbps浠ヤ笂銆3G鏄寚灏嗘棤绾块氫俊涓庡浗闄呬簰鑱旂綉绛夊濯掍綋閫氫俊缁撳悎鐨勬柊涓浠ｇЩ鍔ㄩ氫俊绯荤粺锛3G瀛樺湪3绉嶆爣鍑嗭細CDMA2000銆乄CDMA銆乀D-SCDMA銆4G锛氱鍥涗唬绉诲姩閫氫俊鎶鏈紝澶栬缂╁啓锛4G銆傝鎶鏈鍖呮嫭TD-LTE...
