3Gco(w)
o(w)(sh)(j)ݔ?sh)ęC(j)(hu)c(zhn)
댧(do)wSVoWLANM(jn)̾W(wng)cƄ(dng)ں
      ȫĹ̶W(wng)j(lu)O(sh)̰غȫCDMAo(w)W(wng)j(lu)O(sh)Ӎĺϲһ(g)ںϹ̶W(wng)j(lu)Ƅ(dng)W(wng)j(lu)O(sh)O(sh)䡰(j)ޟo(w)ԡ簢؁̫^(q)Z_(d)f(shu)̾W(wng)Ƅ(dng)W(wng)j(lu)(hu)ںWԃC(j)(gu)Ovum̫^(q)߼(j)DavidKennedyJ(rn)顭
      o(w)ͨŘI(y)ǘ(bio)(zhn)¼g(sh)݅ИI(y)~댒r(sh)¼g(sh)/(bio)(zhn)ıƴӼ糬(UWB)HI(y)eOƳ״ꇠI(yng)֮gĠ(zhng)Z(zhn)Ҳˇ@^ֹ
o(w)cƄ(dng)ͨںϴ(sh)څ
o(w)(sh)(j)ݔ?sh)ęC(j)(hu)c(zhn)
      F(xin)߀īŘI(y)y(tng)ļg(sh)ډô،r(sh)(dng)ܛQĵһW(wng)j(lu)g(sh)ص˂y(tng)ŽQx֮o(w)W(wng)j(lu)ͬӵٶֱصƄ(dng)ͨI(lng)
      3GʲôҲSǰ3GǔU(ku)lͨŵĴ~CDMAǬF(xin)أ(dng)Wi-Fi@ӵğo(w)W(wng)j(lu)g(sh)՝u(dng)(jng)4Gu׃WiMaxe߀TUWBZigbeeȼg(sh)ڻҕ҂ѽ(jng)o(w)ѵƄ(dng)ͨ@(g)h(hun)(d)ԎCDMA^
ҲSo(w)ՓķNo(w)g(sh)o(w)ȡCDMAg(sh)ɂݔW(wng)ϵľ޴(yu)(sh)
(gu)GlobalpressekġӸ߷Փ2006}ӑՓ(hu)o(w)Ƅ(dng)(sh)(j)ęC(j)(hu)c(zhn)(du)֙C(j)һo(w)(bio)(zhn)չ_ӑՓc(hu)J(rn)飺Ƅ(dng)(sh)(j)Ј(chng)ͶYѸ٣l(f)չٶȲA(y)ڿ
Ƅ(dng)KPoC׌֙C(j)(dng)(du)vC(j)
w˼ƽ_(ti)Y(ji)ϸ͹CSR{(ln)O(sh)Ӌ(j)
SiGe SE2545A10ǰģK
 ǷϣHͨ^(gu)һ(g)IӋ(j)һ(g)˽˼s(hu)̄(w)(hu)Մo(w)ͨ^(gu)L(zhng)Ԓ
    ՄǏ(f)sĶ_cʩߴPoCPush to talk Over cellularһIͨͿԝM@(g)Ҫ]пgGPRSWCDMACDMA2000W(wng)
CSR˾cw˼댧(do)w˾ǰƄ(dng)Ԓa(chn)ṩȫܺ͵͹ĵ{(ln)O(sh)Ӌ(j)CSR˾BlueCoreܛӲ
cw˼2.5G2.75G3GƄ(dng)Ԓƽ_(ti)Լi.MXϵБ(yng)̎Y(ji)ϡ
      CSR˾BlueCore4оƬBCHSǶʽ{(ln)ܛїBCHS Instant Mobile
SiGe댧(do)w˾SE2545A10 ׿ RF
ǰģK˃ɂ(g)ȫpll(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(w)޵ğo(w)ͨӍ¼g(sh)
P(gun)Wi-Fiľʆ(wn)
     So(w)ͨżg(sh)wٰl(f)չ˂(du)o(w)W(wng)͔ܺ(sh)(j)ʵҪҲԽ(li)Խδ(li)ğo(w)ͨϵy(tng)ɂ(g)(yn)(zhn)ŵ˥lVЧo(w)ͨŵĻA(ch)g(sh)--l֏(f)(OFDM)܉Q˥䆖(wn)}ڎ͹ʲ޵r܉?q)F(xin)˂ڴĸʣ(du)͹޵ğo(w)W(wng)ϵy(tng)Ͳ̫m(MIMO)g(sh)܉ڿgЮa(chn)(d)IJŵͬr(sh)ݔ·(sh)(j)
(wn)ԒЎWi-FiǷx҂(du)Wi-FicCԒںϱ϶B(ti)ȣҰWiFiVoIPںϡ
TD-SCDMAcGSMpģ֙C(j)ǰ˵ĶоƬ(sh)F(xin)
νWiMAXɱ
     TD-SCDMAƄ(dng)ͨŅf(xi)hIMT-20003GPPҎ(gu)Ƅ(dng)ͨŇ(gu)H(bio)(zhn)֮һ䪚(d)صļg(sh)(yu)(sh)҇(gu)Ƅ(dng)ͨŷо޴Ј(chng)TD-SCDMAƄ(dng)ͨŅf(xi)hǰǘ^ĿǰGSM/GPRS֙C(j)ÑȻռ(j)ஔ(dng)Ј(chng)~Ԍ(sh)F(xin)TD-SCDMA/GSMpģwƵ֙C(j)Kˌ(du)GSM/GPRSTD-SCDMAƽ^(gu)ǘO߬F(xin)(sh)x͑(yng)ǰ
I(lng)򣬺o(w)Ɇ(wn)ɱҲҪڲ WiMAX g(sh)rҪ(qing){(dio)ͳɱҪԣ?yn)mȻWiMAXO(sh)Ͷ
ν֙C(j)ܛĸQɱ
lŴǾԜy(c)
      ܛQƄ(dng)ԒҪԪأƄ(dng)ԒܷЈ(chng)ɹP(gun)IҪQ֙C(j)ǡTa(chn)Ʒ߀ǡζa(chn)ƷʹȽ|Ĺ҂ۺ֙C(j)Ҫԭ֙C(j)ϵy(tng)ֻ̎Ҫ뵽c(din)Ͳ?yn)ܛװl(f)(wn)}ɱ(jng)A(y)ҿҪ֙C(j)a(chn)ǰɡČf(shu)ܛϵy(tng)_l(f)ˆTҪ]ԼβһNϳR(sh)O(sh)Ӌ(j)ͼܘ(gu)Դp@ЩL(fng)U(xin)
So(w)ͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)PSKQAM{(dio)ơ@Щ{(dio)̖(ho)һ(g)ͬc(din)̖(ho)ʡ
ʷŴM(jn)܊o(w)ͨź֙C(j)(yng)I(lng)
(yng)WiMAXĵ•߾ԶMMICŴ
 So(w)ͨżg(sh)wٰl(f)չlV^ߵ{(dio)ƷʽõˏV(yng)PSKQAM{(dio)@Щ{(dio)̖(ho)һ(g)ͬc(din)̖(ho)ʡ
 o(j) 80 (wn)ԁ(li) N (silicon germanium, SiGe) g(sh)һֱЩ׷ͳɱҪܸͨĸl(yng)_l(f)ˆTdȤһN댧(do)wϡF(xin)SiGeѽ(jng)һNНļg(sh)l(f)չɞĿǰһƄ(dng)O(sh)M(jn)QV(yng)֙C(j)o(w)W(wng) (WLAN) {(ln)Ȯa(chn)ƷF(xin)ڣSiGe g(sh)CDMAGSM WLAN (yng)еĸ߹ʷŴ׃l•Ŵ (low-noise amplifier, LNA)
xͱih(hun)ڶr(sh) λеđ(yng)
NI PXIg(sh)ğo(w)늽ՙC(j)g(sh)
 o(w)lՙC(j)һ(g)O(jin)y(c)ϵy(tng)ؓ(f)؟(z)쾀ϽlȻ̖(ho)lʽ(sh)ֻxɽյķ(ni)M(jn)вɼSͿԡ
    ͨ/W(wng)j(lu)d
 ih(hun)(PLL)V(yng)ڟo(w)ͨڻվеҪ;Ǟl(f)ͽе׃l׃l·ṩһ(g)(wn)•l(RF)ʎ(LO)bPLL߀ڿS·Еr(sh)̖(ho)Ķr(sh)ijЩ(yng)ʹõî(dng)Դr(ji)^FĶr(sh)оƬ
(sh)ٔ(sh)·O(sh)Ӌ(j)̎(hu)עλđ(yng)xFĶr(sh)оƬ?yn)ͨnj?du)޶lʷ(ͨmSONET/SDHlʵľ·)Եرr(sh)ָ(bio)֮¡
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Ӯa(chn)Ʒ硷s־ (qun) |ԇ(gu)Hg(sh)Ϣԃ޹˾
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