3Gco
o(sh)(j)ݔ?sh)ęCc(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(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)ęCc(zhn)
      F(xin)߀īŘI(y)y(tng)ļg(sh)ډô،r(dng)ܛQĵһW(wng)j(lu)g(sh)ص˂y(tng)ŽQx֮󣬟oW(wng)j(lu)ͬӵٶֱصƄͨI(lng)
      3GʲôҲSǰ3GǔU(ku)lͨŵĴ~CDMAǬF(xin)(dng)Wi-Fi@ӵğoW(wng)j(lu)g(sh)՝u(dng)(jng)4Gu׃WiMaxƣe߀TUWBZigbeeȼg(sh)ڻҕ҂ѽ(jng)oѵƄͨ@h(hun)ԎCDMA^
ҲSoՓķNog(sh)oȡCDMAg(sh)ɂݔW(wng)ϵľ޴(yu)ݡ
GlobalpressekġӸ߷Փ2006}ӑՓoƄӔ(sh)(j)ęCc(zhn)֙Cһo(bio)(zhn)չ_ӑՓcJ(rn)飺ƄӔ(sh)(j)ЈͶYѸl(f)չٶȲA(y)ڿ
ƄӽKPoC׌֙C(dng)vC
w˼ƽ_Y(ji)ϸ͹CSR{(ln)O(sh)Ӌ
SiGe SE2545A10ǰģK
 ǷϣHͨ^һIӋһ˽˼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)ӋCSR˾BlueCoreܛӲ
cw˼2.5G2.75G3GƄԒƽ_Լi.MXϵБ(yng)̎Y(ji)
      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
MIMO̙Co޵ğoͨӍ¼g(sh)
P(gun)Wi-Fiľʆ
     Soͨżg(sh)wٰl(f)չ˂oW(wng)͔ܺ(sh)(j)ʵҪҲԽԽߡδğoͨϵy(tng)ɂ(yn)(zhn)ŵ˥lVЧʡoͨŵĻA(ch)g(sh)--l֏(f)(OFDM)܉Q˥䆖}ڎ͹ʲ޵r܉?q)F(xin)˂ڴĸʣ͹޵ğoW(wng)ϵy(tng)Ͳ̫mˡ(MIMO)g(sh)܉ڿgЮa(chn)IJŵͬrݔ·(sh)(j)
ԒЎWi-FiǷx҂Wi-FicCԒںϱ϶B(ti)ȣҰWiFiVoIPںϡ
TD-SCDMAcGSMpģ֙Cǰ˵ĶоƬF(xin)
νWiMAXɱ
     TD-SCDMAƄͨŅf(xi)hIMT-20003GPPҎ(gu)ƄͨŇH(bio)(zhn)֮һ䪚صļg(sh)(yu)҇Ƅͨŷо޴ЈTD-SCDMAƄͨŅf(xi)hǰǘ^ġĿǰGSM/GPRS֙CÑȻռ(j)ஔ(dng)Ј~ԌF(xin)TD-SCDMA/GSMpģwƵ֙CKˌGSM/GPRSTD-SCDMAƽ^ǘO߬F(xin)x͑(yng)ǰ
I(lng)򣬺oɆɱҲҪڲ WiMAX g(sh)rҪ{(dio)ͳɱҪԣmȻWiMAXO(sh)Ͷ
ν֙CܛĸQɱ
lŴǾԜy
      ܛQƄԒҪԪƄԒܷЈɹP(gun)IҪQ֙CǡTa(chn)Ʒ߀ǡζa(chn)ƷʹȽ|Ĺ҂ۺ֙CҪԭ֙Cϵy(tng)ֻ̎Ҫ뵽cͲܛװl(f)}ɱ(jng)A(y)ڡҿҪ֙Ca(chn)ǰČfܛϵy(tng)_l(f)ˆTҪ]ԼβһNϳRO(sh)Ӌͼܘ(gu)Դp@ЩL(fng)U
Soͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)PSKQAM{(dio)ơ@Щ{(dio)̖һͬc̖ʡ
ʷŴM(jn)܊oͨź֙C(yng)I(lng)
(yng)WiMAXĵ•߾ԶMMICŴ
 Soͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)ãPSKQAM{(dio)@Щ{(dio)̖һͬc̖ʡ
 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)֙CoW(wng) (WLAN) {(ln)Ȯa(chn)ƷF(xin)SiGe g(sh)CDMAGSM WLAN (yng)еĸ߹ʷŴ׃l•Ŵ (low-noise amplifier, LNA)
xͱih(hun)ڶr λеđ(yng)
NI PXIg(sh)ğo늽ՙCg(sh)
 olՙCһO(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)•l(RF)ʎ(LO)bPLL߀ڿS·Еr̖ĶrijЩ(yng)ʹõî(dng)Դr^FĶrоƬ
(sh)ٔ(sh)·O(sh)Ӌ̎עλđ(yng)xFĶrоƬͨnj޶lʷ(ͨmSONET/SDHlʵľ·)Եرrָ(bio)֮¡
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