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          3Gco
          o(sh)(j)ݔ?sh)ęC(j)c(zhn)
          댧(do)wSVoWLANM(jn)̾W(wng)cƄں
                ȫĹ̶W(wng)j(lu)O(sh)̰غȫCDMAoW(wng)j(lu)O(sh)ӍĺϲһںϹ̶W(wng)j(lu)ƄӾW(wng)j(lu)O(sh)O(sh)䡰ޟoԡ簢؁̫^(q)Z_(d)f̾W(wng)ƄӾW(wng)j(lu)ںWԃC(j)(gu)Ovum̫^(q)߼DavidKennedyJ(rn)顭
                oͨŘI(y)ǘ(bio)(zhn)¼g(sh)݅ИI(y)~댒r¼g(sh)/(bio)(zhn)ıƴӼҡ糬(UWB)HI(y)eOƳ״ꇠI֮gĠZ(zhn)Ҳˇ@^ֹ
          ocƄͨںϴڅ
          o(sh)(j)ݔ?sh)ęC(j)c(zhn)
                F(xin)߀īŘI(y)y(tng)ļg(sh)ډô،r(dng)ܛQĵһW(wng)j(lu)g(sh)ص˂y(tng)ŽQx֮oW(wng)j(lu)ͬӵٶֱصƄͨI(lng)
                3GʲôҲSǰ3GǔU(ku)lͨŵĴ~CDMAǬF(xin)(dng)Wi-Fi@ӵğoW(wng)j(lu)g(sh)՝uƣ(dng)(jng)4Gu׃WiMaxe߀TUWBZigbeeȼg(sh)ڻҕ҂ѽ(jng)oѵƄͨ@h(hun)(d)ԎCDMA^
          ҲSoՓķNog(sh)oȡCDMAg(sh)ɂݔW(wng)ϵľ޴(yu)ݡ
          GlobalpressekġӸ߷Փ2006}ӑՓoƄӔ(sh)(j)ęC(j)c(zhn)֙C(j)һo(bio)(zhn)չ_ӑՓcJ(rn)飺ƄӔ(sh)(j)ЈͶYѸl(f)չٶȲA(y)ڿ졣
          ƄӽKPoC׌֙C(j)(dng)vC(j)
          w˼ƽ_Y(ji)ϸ͹CSR{(ln)O(sh)Ӌ(j)
          SiGe SE2545A10ǰģK
           ǷϣHͨ^һIӋ(j)һ˽˼s̄(w)Մoͨ^LԒ
              ՄǏ(f)sĶ_cʩߴPoCPush to talk Over cellularһIͨͿԝM@Ҫ]пgGPRSWCDMACDMA2000W(wng)
          CSR˾cw˼댧(do)w˾ǰƄԒa(chn)ṩȫܺ͵͹ĵ{(ln)O(sh)Ӌ(j)CSR˾BlueCoreܛӲ
          cw˼2.5G2.75G3GƄԒƽ_Լi.MXϵБ(yng)̎Y(ji)ϡ
                CSR˾BlueCore4оƬBCHSǶʽ{(ln)ܛїBCHS Instant Mobile
          SiGe댧(do)w˾SE2545A10 ׿ RF
          ǰģK˃ɂȫpll(f)/· (2 x 2.4 GHz Tx2 x 5 GHz Tx2 x 2.4 GHz Rx 2 x 5 GHz Rx) ԝM MIMO Ҫ
          MIMO̙C(j)o޵ğoͨӍ¼g(sh)
          P(gun)Wi-Fiľʆ
               Soͨżg(sh)wٰl(f)չ˂oW(wng)͔ܺ(sh)(j)ʵҪҲԽԽδğoͨϵy(tng)Уɂ(yn)(zhn)ŵ˥lVЧoͨŵĻA(ch)g(sh)--l֏(f)(OFDM)܉Q˥䆖}ڎ͹ʲ޵r܉?q)F(xin)˂ڴĸ͹޵ğoW(wng)ϵy(tng)Ͳ̫mˡ(MIMO)g(sh)܉ڿgЮa(chn)(d)IJŵͬrݔ·(sh)(j)
          ԒЎWi-FiǷx҂Wi-FicCԒںϱ϶B(ti)ҰWiFiVoIPںϡ
          TD-SCDMAcGSMpģ֙C(j)ǰ˵ĶоƬ(sh)F(xin)
          νWiMAXɱ
               TD-SCDMAƄͨŅf(xi)hIMT-20003GPPҎ(gu)ƄͨŇH(bio)(zhn)֮һ䪚(d)صļg(sh)(yu)҇Ƅͨŷо޴ЈTD-SCDMAƄͨŅf(xi)hǰǘ^ĿǰGSM/GPRS֙C(j)ÑȻռ(j)ஔ(dng)Ј~Ԍ(sh)F(xin)TD-SCDMA/GSMpģwƵ֙C(j)KˌGSM/GPRSTD-SCDMAƽ^ǘO߬F(xin)(sh)x͑(yng)ǰ
          I(lng)oɆɱҲҪءڲ WiMAX g(sh)rҪ(qing){(dio)ͳɱҪԣ?yn)mȻWiMAXO(sh)Ͷ
          ν֙C(j)ܛĸQɱ
          lŴǾԜy
                ܛQƄԒҪԪƄԒܷЈɹP(gun)IҪءQ֙C(j)ǡTa(chn)Ʒ߀ǡζa(chn)ƷʹȽ|Ĺܡ҂ۺ֙C(j)Ҫԭ֙C(j)ϵy(tng)ֻ̎Ҫ뵽c(din)Ͳ?yn)ܛװl(f)}ɱ(jng)A(y)ҿҪ֙C(j)a(chn)ǰɡČfܛϵy(tng)_l(f)ˆTҪ]ԼβһNϳRO(sh)Ӌ(j)ͼܘ(gu)Դp@ЩL(fng)U
          Soͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)ãPSKQAM{(dio)@Щ{(dio)̖һͬc(din)̖ʡ
          ʷŴM(jn)܊oͨź֙C(j)(yng)I(lng)
          (yng)WiMAXĵ•߾ԶMMICŴ
          Soͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)PSKQAM{(dio)ơ@Щ{(dio)̖һͬc(din)̖ʡ
           o(j) 80 ԁ N (silicon germanium, SiGe) g(sh)һֱЩ׷ͳɱҪܸͨĸl(yng)_l(f)ˆTdȤһN댧(do)wϡF(xin)SiGeѽ(jng)һNНļg(sh)l(f)չɞĿǰһƄO(sh)M(jn)QV(yng)֙C(j)oW(wng) (WLAN) {(ln)Ȯa(chn)ƷF(xin)ڣSiGe g(sh)CDMAGSM WLAN (yng)еĸ߹ʷŴ׃l•Ŵ (low-noise amplifier, LNA)
          xͱih(hun)ڶr λеđ(yng)
          NI PXIg(sh)ğo늽ՙC(j)g(sh)
          olՙC(j)һO(jin)yϵy(tng)ؓ(f)؟(z)쾀ϽlȻ̖lʽ(sh)ֻxɽյķ(ni)M(jn)вɼSͿԡ
              ͨ/W(wng)j(lu)d
           ih(hun)(PLL)V(yng)ڟoͨڻվеҪ;Ǟl(f)ͽе׃l׃l·ṩһ(wn)ġ•l(RF)ʎ(LO)bPLLܣ߀ڿS·Еr̖ĶrijЩ(yng)Уʹõî(dng)Դr^FĶrоƬ
          (sh)ٔ(sh)·O(sh)Ӌ(j)̎עλđ(yng)xFĶrоƬ?yn)ͨnj޶lʷ(ͨmSONET/SDHlʵľ·)Եرrָ(bio)֮¡

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