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l(f)ڣ[2008-1-29]    [1829]ΡЇ늚ЈُW(wng)[EM39.com]{(bio)pԄӝL}
      P(gun)Ї3Gհl(f)źؽMIJœy͂„δֹͣ^3GĈF(tun)wA(y)y҇l(f)3G

ֵA(y)y3Gռl(f)ԼЇŘI(y)ؽMęC(j)(gu)LJ(ni)ę(qun)Y(ji)(gu)ʿy@ӵCȯͶYԃC(j)(gu)

ô@ЩC(j)(gu)ʲôڹƱϝqǰl(f)@ǘӵA(y)ylЇҪ3G

ŌRPǰڽˡÿս(jng)(j)„ČLr_3GЇ]ǰ3Gյİl(f)ҲcW\(yn)oP(gun)

3Gl(f)ƣȫ3G\(yn)I̎׺̝p

ĿǰеЇl(f)3GյIJœy֮һTDԇ(yn)W(wng)ĽO(sh)(j)ÿս(jng)(j)„˽Ŀǰ҇TDԇ(yn)W(wng)ѽ(jng)10ԇc(din)_ЇƄؓ(f)؟(z)˂ź;W(wng)ͨһĿǰƄѽ(jng)ɵAβM(jn)AεĹ΄(w)ʮTDW(wng)j(lu)̓(yu)ʹˁTDĜ(zhn)乤ƺѽ(jng);wI(y)(ni)TDǷ_(d)Ø(bio)(zhn)ҲһֱɆ

ˣRPڽܡÿս(jng)(j)„LrʾҪfṩһЩ(w)ڼg(sh)ѽ(jng)(sh)F(xin)3GP(gun)I}Ǽg(sh)}ǘI(y)(w)}Ǒ(yng)Æ}ЈĆ}Ŀǰֹ@ȫݘ^

^RPfP(gun)IǛ]Ј]Ќ(sh)H(yng)áȫ3G\(yn)I̶ڇ(yn)̝p\ԭf08Ҫ(sh)F(xin)F(xin)(sh)F(xin)Ť̝Af08ˣȡ09fF(xin)ڵĽ(jng)I߀벻أ^m(x)XF(xin)ؓ(f)xջͶYՄˡ

ؽMl(f)3GR׌̝p

ؽMc3Gl(f)ƒ^ĿǰʿҪՓ(j)֮һI(y)(ni)ЌJ(rn)횰ؽM3Gյİl(f)ŁY(ji)Ͽ]RP˱ʾ_IJٝͬVÿս(jng)(j)„^c񶼛]̫xO(sh)oHع̾W(wng)\(yn)I̵ؔ(w)ؓ(f)(dn)Rϕ׌̝p(]̝pԒ)

RPM(jn)һʾ\(yn)I̺l(f)3GҪǞˏ(qing){(dio)Ŀǰ(jng)IyҪ3G䲻ζҪTDա?yn)F(xin)ڹ̾W(wng)\(yn)IRһI(y)(w)ʧÑʧƄĆ}ȫ3G\(yn)I̶LJ(yn)̝p?yn)Ј?yn)ز㣬ͶY^ô҇Ҳ^ΛrTDɱ߀ɷNߣg(sh)߀h(yun)̝pֻ^ҪƄգܽo2Gõ@ɂ̾W(wng)\(yn)IʹoƄվܸ׃ĿǰXy߀Ǻܴ?yn)ЇƄӬF(xin)һҪ(d)(jng)I20W(wng)j(lu)20f|ͶYн@r҂F(xin)̽oO(sh)W(wng)j(lu)ҪXҪٕrg›]Ўǧ|ͶYǸ֮ܵ(ni)ҲγЇƄ@Ӹ߶ȳľW(wng)j(lu)w;W(wng)j(lu)|(zh)ҲγɌЇƄЧĸ{Ї֙C(j)Ñs6|ƄһҾ4|ԽQ̾W(wng)\(yn)IĿǰ·3GҪf3Gͽo2GҲoֻһk¼g(sh)ȫI(xin)Pķ(w)wпcЇƄڶ֮(ni)\(yn)úٵͶYγЧ

3Gl(f)]г͑(yng)

3Gվܷl(f)ȡQںܶء\(yn)I̵棬Ҳкl(f)չǰД㵽F(xin)W(xu)g(sh)猦ҲһֱРՓ

֪Ra(chn)(qun)}ϣһՓĻc(din)RPʾһֱԁNڏСеf҂ռ7%֪Ra(chn)(qun)(j)˽⣬ںP(gun)Ig(sh)Ʋռ(do)λԾͲyጞʲôƺ͸ͨՄ̎ڽ֠B(ti)LrgP(gun)pՄЈ@Ȼ֪Ra(chn)(qun)}ϵĠhӰ3Gl(f)ŵ֮һ

RPfԭ֧TDҪ]֪Ra(chn)(qun)}Kl(f)F(xin)֪Ra(chn)(qun)ռбܵ߀Ҫ^m(x)֧ͨM(fi)ô҂֧TDɏĸϾͲǞʲô߀ҪTDأģ3GTDڃ(ni)(yng)ԓϵԭǛ]г͑(yng)֪Ra(chn)(qun)ǴҪġGSM҂֪Ra(chn)(qun)ҲDz]ֹ҇ɞGSMW(wng)j(lu)

W\(yn)3GcW\(yn)ZoP(gun)

W\(yn)ZĿǰЈЇذl(f)3Gյɡ2005518Ϣa(chn)I(y)L|ϯؔȫՓڟoՓϰl(f)vԒ2008҂dzZṩ3Gg(sh)F(xin)M(jn)08꣬STDԇ(yn)W(wng)m(x)l(f)ƺѳһ֮ˣRPJ(rn)鲻Ȼf3G(bio)(zhn)棬TDɂӲҳɱ(dng)ȻoTDl(f)yҲȫ]κһTD@ΊW\(yn)f3G(w)džTDȫ]κ\(yn)ӆT̾߁^W\(yn)˿?yn)@B҇F(xin)߀]֮TD@Ҫnj(sh)F(xin)҂W\(yn)3GZͨ^ṩٷ(w)@߀ҪĿԴ⣬Ҳ؄e(qing){(dio)һc(din)յİl(f)ņ}ϣϢa(chn)I(y)P(gun)һW\(yn)cl(f)3Gյĕrg]“(lin)ϵ

RPÿս(jng)(j)„ӛ߱ʾՈЩl(f)յ˲Ҫ|L3GĊW\(yn)ZffĿǰTDֻԇ(yn)W(wng)ǿõھҪl(f)\(yn)I

ĩ܇3GЇ]ǰ

RPڽܡÿս(jng)(j)„LrΏ(qing){(dio)F(xin)ڠՓ3Gѽ(jng)]xrָ3Gѽ(jng)^ȥ]҂(yng)ԓȥ3Gĩ܇Œ(sh)2005Ůa(chn)оԺͨоLꐽ@һ^c(din)3Gڑ(yng)ԓ2G߀Ҫڌǰ2

ô3GЇő(yng)ԓΰl(f)չRPʾP(gun)IDZMM(jn)ȫI(xin)PğowƏV@ԒȻ\(yn)I̬F(xin)еĽ(jng)Iģʽa(chn)Եě_҂@涼Ќ(sh)(yn)̽ļg(sh)v]І}Ҫ\(yn)ģʽĆ}3GǸ߶ȲáЇһֱ3G֮֔(jn)һُ(qing){(dio)cW\(yn)]ֱP(gun)ϵҲdz@Ŀ]

ҲʾM܇H4GՓܶҲ]_(bio)(zhn)fδĿǰğog(sh)ҲȫԽQ@}WiFiWiMax

ĿǰSkypeϑ(yng)VľW(wng)j(lu)ԒԓܛṩM(fi)dÑҲġ(yn)x҇߀ڽֹʹõᵽ@RPʾg(sh)]І}XÑ(yng)ԓ@_ҪM(jn)g(sh)

„朽

S3GB̝pyӯ

ǰ\ڼF(tun)ٴt3GI(y)(w)Ť̝rgA(y)Ӌ˾ȫ3GI(y)(w)2009ꌍ(sh)F(xin)ӯ

ĺSĘI(y)3GI(y)(w)߀]ֹ̝E2007ϰSӢ۠mĴʿԼWȇҺ͵؅^(q)3GI(y)(w)Ӌ̝p113|Ԫc2006̝ͬp119|Ԫo

2000ȵM(jn)3GЈԁSͶ250|ԪmȻ20076Sȫ3GÑ(sh)ӵ1590f@ЩÑ􎧁cͶȣ(sh)΢^ȥ˾@һI(y)(w)̝p150|Ԫϡ

7ǰ۹ⳬǰ\MĵͶY3G7Ľ\s3GI(y)(w)̝Ӷѡ3GS@Ͷ250|Ԫ@(xing)Ͷһo׶ڃ(ni)ӯϣã\ـ3Gu˴󲿷ӯ^(qing)2GI(y)(w)

^ȥ꿴2GI(y)(w)һֱǺSӍҪ֧Ρuӡ2GI(y)(w)Cһʧ֮e

ĿǰӡȵğoЈl(f)չٶȸ߾ȫׂ֮µÑÿ¶800fĿǰ֙C(j)Ñs2.3|ҲfӡÿƄÑ1|

ӡŹֵĹنTʾĿǰӡ11|˿2010꣬ӡȵ֙C(j)Ñ(sh)_(d)5|Sŗ@һЈڷŗԴԴITrܿ

TDW(wng)j(lu)O(sh)ڌ(do)3GW\(yn)ǰl(f)Ɵo

TDòڼ١ЇƄڸM(jn)ԇ䌍(sh)ζЇѽ(jng)3GЇΪ(d)l(f)TDգoЇȡҕߵĽЇʩĿǰIJDzl(f)׌TDڇ(ni)ֻfͨ^U(ku)(sh)(yn)Ҏ(gu)ģKTD(bio)(zhn)I(lng)H(bio)(zhn)Ї(jng)I

~

TD-SCDMA

ԓ(bio)(zhn)Ї?yng)ƶ?G(bio)(zhn)1999629Їԭ]늲ſƌW(xu)g(sh)оԺ()ITUԓ(bio)(zhn)ܟoͬCDMAܛo늵Ȯ(dng)HI(lng)ȼg(sh)lVI(y)(w)֧־`l`ԼɱȷĪ(d)؃(yu)Ї(ni)Јԓ(bio)(zhn)ܵҪO(sh)S̵ҕȫһϵO(sh)S̶֧TD-SCDMA(bio)(zhn)

TDԇ(yn)W(wng)

֪҇Ra(chn)(qun)ȫ3G(bio)(zhn)֮һTD-SCDMA̘I(y)һ20073҆TD-SCDMAU(ku)Ҏ(gu)ģW(wng)j(lu)g(sh)(yng)ԇ(yn)ڱϺVڵʮвTD-SCDMAԇ(yn)W(wng)j(lu)ʽM(jn)зeO(zhn)Ŀǰԇ(yn)W(wng)O(sh)ѽӽ˳

ʲô3G

3GӢ3rdGenerationĿsָƄͨżg(sh)һģMʽ֙C(j)(1G)͵ڶGSMTDMAȔ(sh)֙C(j)(2G)֙C(j)һvָoͨcH“(lin)W(wng)ȶýwͨŽY(ji)ϵһƄͨϵy(tng)܉̎DҕlȶNýwʽṩW(wng)퓞g[Ԓh̄(w)ȶNϢ(w)ṩ@N(w)oW(wng)j(lu)܉ֲ֧ͬĔ(sh)(j)ݔٶҲf҃(ni)܇ĭh(hun)܉քe֧2Mbps(ֹ(ji)/ÿ84kbps(ǧֹ(ji)/ÿ)Լ144kbpsĂݔٶ

3Gյİl(f)Ō

κһ\(yn)IҪõ3G(yng)ԓ߂傀Č(sh)W(wng)j(lu)(sh)Y(sh)g(sh)(sh)I(y)(w)(sh)Ñ(sh)ĿǰЇЇW(wng)ͨС`ͨϵy(tng)ЇƄЇ“(lin)ͨ3Gյİl(f)Ō


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