鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng)
鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺
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銆�銆�GSM绉诲嫊(d貌ng)鏁�(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)涓昏鍒嗙偤闆昏矾鍨嬫暩(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)鍜屽垎绲勫瀷鏁�(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)銆侴SM闅庢鎻愪緵鐨�9.6kbps浠ヤ笅鏁�(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)鍙奝hase2+闅庢鎻愬嚭鐨凥SCSD閮藉爆浜庨浕璺瀷鏁�(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)銆侾hase 2+闅庢鎻愬嚭鐨凣PRS锛屽墖灞簬鍒嗙祫鍨嬫暩(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)銆�
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銆�銆�GPRS缍�(w菐ng)涓婂鍔犱簡涓�浜涙帴鍙�锛屼富瑕佸寘鎷細
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銆�銆�Gi鍙ｏ細GGSN閫氶亷Gi鍙ｅ(sh铆)鐝�(xi脿n)GPRS缍�(w菐ng)鍜屽閮ㄦ暩(sh霉)鎿�(j霉)缍�(w菐ng)锛圥DP锛夌殑浜掕伅(li谩n)銆侴GSN瀵�(sh铆)闅涗笂鏄叐鍊�(g猫)浜掕伅(li谩n)缍�(w菐ng)缍�(w菐ng)闂�(gu膩n)锛孏PRS鏈韩灞簬IP闋�(l菒ng)鍩熺恫(w菐ng)绲�(lu貌)锛孏i鍙ｆ敮鎸乆.25鍜孖P鍗�(xi茅)璀�銆傚緸PDN缍�(w菐ng)鐪婫GSN锛孏GSN鍙湅浣滄槸涓�鍊�(g猫)璺敱鍣ㄩ�ｅ埌PDN缍�(w菐ng)銆侴GSN鍖呭惈鐢ㄤ簬閫ｆ帴GPRS鐢ㄦ埗鐨勮矾鐢变俊鎭�锛岀偤澶栭儴鏁�(sh霉)鎿�(j霉)缍�(w菐ng)鐨凱DU閫佸埌MS鎻愪緵閫氶亾銆傞�氶亷GGSN鑸嘒PRS缍�(w菐ng)浜掕伅(li谩n)鐨勫垎绲勬暩(sh霉)鎿�(j霉)缍�(w菐ng)PDN锛屽彲浠ユ槸PSPDN缍�(w菐ng)锛岄�欐檪(sh铆)锛孏PRS鏀寔ITU-T X.121鍜孖TU-T E.164绶ㄨ櫉(h脿o)鏂规锛屾彁渚沊.25铏涢浕璺強灏峏.25蹇�熼伕鎿�锛岄倓鏀寔缍�(w菐ng)闁撶殑X.75鍗�(xi茅)璀伴�ｆ帴锛涗篃鍙互鏄疘nternet缍�(w菐ng)锛屽熀浜嶪P鍗�(xi茅)璀帮紝鍦↖P鏁�(sh霉)鎿�(j霉)鍫�(b脿o)鍌宠几鏂瑰紡涓�锛孏PRS鏀寔TCP/IP闋殑澹撶府鍔熻兘銆�
銆�銆�1.鎳�(y墨ng)鐢ㄤ笂鐨勭壒榛�(di菐n)
銆�銆�鐩墠锛岀敤鎵嬫(j墨)涓婄恫(w菐ng)閭勯’寰楁湁浜涗笉鐩′汉鎰�銆傚洜姝�锛屽叏闈㈢殑瑙ｆ焙鏂规硶GPRS涔熷氨閫欐ǎ鎳�(y墨ng)閬�(y霉n)鑰岀敓浜�锛岄�欓爡(xi脿ng)鍏ㄦ柊鎶�琛�(sh霉)鍙互浠ゆ偍鍦ㄤ换浣曟檪(sh铆)闁�銆佷换浣曞湴榛�(di菐n)閮借兘蹇�熸柟渚垮湴瀵�(sh铆)鐝�(xi脿n)閫ｆ帴锛屽悓鏅�(sh铆)璨�(f猫i)鐢ㄥ張寰堝悎鐞嗐�傜啊鍠湴瑾細閫熷害涓婂幓浜�锛屽収(n猫i)瀹硅睈瀵屼簡锛屾噳(y墨ng)鐢ㄥ鍔犱簡锛岃�岃不(f猫i)鐢ㄥ嵒鏇村姞鍚堢悊銆� 銆�銆�(1)楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几 gprs閬�(yu菐n)绋嬮泦涓妱琛ㄧ郴绲�(t菕ng)
銆�銆�閫熷害10鍊嶄簬GSM锛屾洿鍙豢瓒虫偍鐨勭悊鎯抽渶姹傦紝閭勫彲浠ョ┅(w臎n)瀹氬湴鍌抽�佸ぇ瀹归噺鐨勯珮璩�(zh矛)閲忛煶闋昏垏瑕栭牷鏂囦欢锛屽彲璎備笉涓�鑸殑宸ㄥぇ閫�(j矛n)姝ャ�� 銆�銆�(2)姘搁仩(yu菐n)鍦ㄧ窔 銆�銆�鐢变簬寤虹珛鏂扮殑閫ｆ帴骞句箮鐒￠渶浠讳綍鏅�(sh铆)闁�(鍗崇劇闇�鐐烘瘡娆℃暩(sh霉)鎿�(j霉)鐨勮í鍟忓缓绔嬪懠鍙�ｆ帴)锛屽洜鑰屾偍闅ㄦ檪(sh铆)閮藉彲鑸囩恫(w菐ng)绲�(lu貌)淇濇寔鑱�(li谩n)绯�锛岃垑鍊�(g猫)渚嬪瓙锛岃嫢鐒PRS鐨勬敮鎸�锛岀暥(d膩ng)鎮ㄦ鍦ㄧ恫(w菐ng)涓婃极娓�锛岃�屾鏅�(sh铆)鎭版湁闆昏┍鎺ュ叆锛屽ぇ閮ㄥ垎鎯呮硜涓嬫偍涓嶅緱涓嶆柗绶氬悗鎺ラ�氫締闆�锛岄�氳┍瀹岀暍鍚庨噸鏂�?li谩n)鑺�?h脿o)涓婄恫(w菐ng)銆傞�欏皪澶у鏁�(sh霉)浜轰締瑾�锛岀殑纰烘槸浠堕潪甯镐护浜烘儽鐏殑浜�銆傝�屾湁浜咷PRS锛屾偍灏辫兘杓曡�屾槗鑸夊湴瑙ｆ焙閫欏��(g猫)娌栫獊銆� 銆�銆�(3)鍍呮寜鏁�(sh霉)鎿�(j霉)娴侀噺瑷�(j矛)璨�(f猫i) 銆�銆�鍗虫牴鎿�(j霉)鎮ㄥ偝杓�?sh霉)鑷�?sh霉)鎿�(j霉)閲�(濡傦細缍�(w菐ng)涓婁笅杓変俊鎭檪(sh铆))渚嗚▓(j矛)璨�(f猫i)锛岃�屼笉鏄寜涓婄恫(w菐ng)鏅�(sh铆)闁撹▓(j矛)璨�(f猫i)涔熷氨鏄锛屽彧瑕佷笉閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍌宠几锛屽摢鎬曟偍涓�鐩粹�滃湪绶氣�濓紝涔熺劇闇�浠樿不(f猫i)銆傚仛鍊�(g猫)鈥滄墦闆昏┍鈥濈殑姣旀柟锛屽湪浣跨敤GSM+WAP鎵嬫(j墨)涓婄恫(w菐ng)鏅�(sh铆)锛屽氨濂芥瘮闆昏┍鎺ラ�氫究闁嬪瑷�(j矛)璨�(f猫i)锛涜�屼娇鐢℅PRS+WAP涓婄恫(w菐ng)鍓囪鍚堢悊寰楀锛屽氨鍍忛浕瑭辨帴閫氬苟涓嶆敹璨�(f猫i)锛屽彧鏈夊皪瑭辨檪(sh铆)鎵嶈▓(j矛)绠楄不(f猫i)鐢�銆傜附涔�锛屽畠鐪熸楂旂従(xi脿n)浜嗗皯鐢ㄥ皯浠樿不(f猫i)鐨勫師鍓�銆�
銆�銆�2.鎶�琛�(sh霉)涓婄殑鐗归粸(di菐n)
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銆�銆�3.GPRS鑸嘒SM姣旇純涓〃鐝�(xi脿n)鍑虹殑鐗归粸(di菐n)
銆�銆�鐩稿皪浜嶨SM鐨�9.6kbps鐨勮í鍟忛�熷害鑰岃█锛孏PRS鎿佹湁171.2kbps鐨勮í鍟忛�熷害锛涘湪閫ｆ帴寤虹珛鏅�(sh铆)闁撴柟闈�锛孏SM闇�瑕�10-30绉�锛岃�孏PRS鍙渶瑕佹サ鐭殑鏅�(sh铆)闁撳氨鍙互瑷晱鍒扮浉闂�(gu膩n)璜嬫眰锛涜�屽皪浜庤不(f猫i)鐢ㄨ�岃█锛孏SM鏄寜閫ｆ帴鏅�(sh铆)闁撹▓(j矛)璨�(f猫i)鐨�锛岃�孏PRS鍙渶瑕佹寜鏁�(sh霉)鎿�(j霉)娴侀噺瑷�(j矛)璨�(f猫i)锛汫PRS灏嶄簬缍�(w菐ng)绲�(lu貌)璩囨簮鐨勫埄鐢ㄧ巼鑰岀浉灏嶉仩(yu菐n)閬�(yu菐n)楂樹簬GSM銆�
銆�銆�4.GPRS鏈嶅嫏(w霉)鐗归粸(di菐n)灏嶆噳(y墨ng)鐨勮寖鍦�
銆�銆�1.绉诲嫊(d貌ng)杈﹀叕[1] 銆�銆�2.绉诲嫊(d貌ng)鍟嗗嫏(w霉) 銆�銆�3.绉诲嫊(d貌ng)淇℃伅鏈嶅嫏(w霉) 銆�銆�4.绉诲嫊(d貌ng)浜掕伅(li谩n)缍�(w菐ng) 銆�銆�5.澶氬獟楂旀キ(y猫)鍕�(w霉)
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銆�銆�鍦℅PRS涓奖闊挎暩(sh霉)鎿�(j霉)鍌宠几閫熺巼鐨勫洜绱犱富瑕佹湁锛氬皬鍗�(q奴)閲嶉伕銆丷LC閲嶅偝鐜�銆佺法纰兼柟寮�銆佺郴绲�(t菕ng)鐡堕牳銆乀BF(temporalblockflow)寤虹珛澶辨晽鐜囩瓑銆�
銆�銆�1.灏忓崁(q奴)閲嶉伕
銆�銆�鐢变簬灏忓崁(q奴)閲嶉伕鏅�(sh铆)锛岀郴绲�(t菕ng)灏囧仠姝㈡暩(sh霉)鎿�(j霉)鍌宠几锛岄噸閬镐箣鍚庡啀閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)閲嶅偝锛屽洜姝ゅ皬鍗�(q奴)閲嶉伕鐜囬珮灏嶇郴绲�(t菕ng)鍌宠几閫熺巼鏈夊緢澶у奖闊�銆備竴鏂归潰锛屽皬鍗�(q奴)閲嶉伕鐜囪垏灏忓崁(q奴)閲嶉伕鍙冩暩(sh霉)鏈夐棞(gu膩n)銆傚彟涓�鏂归潰锛屽皬鍗�(q奴)瑷�(sh猫)缃殑涓嶅悎鐞嗕篃鏈�(hu矛)褰遍熆鍒板皬鍗�(q奴)閲嶉伕鐜�銆�
銆�銆�2.RLC閲嶅偝鐜�
銆�銆�RLC閲嶅偝鐜囬珮涓昏鏄敱C/I澶樊寮曡捣锛岃�屽彲鑳藉皫(d菐o)鑷碈/I澶樊鐨勫師鍥犳湁浠ヤ笅骞鹃粸(di菐n)銆�
銆�銆�锛�1锛夋湇鍕�(w霉)灏忓崁(q奴)鎵�闇�鐨勪俊铏�(h脿o)鍔熺巼寮�銆佸共鎿惧姛鐜囧ぇ绛�銆�
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銆�銆�3.绶ㄧ⒓鏂瑰紡
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