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3G運營商之痛室內覆蓋技術急需良方更新時間:2006-6-21  炒得沸沸揚揚的3G吸引了眾多目光,人們都在關注著它何時飛入千家萬戶,然而係統覆蓋問題卻困擾著運營商。目前,雖然3G的室外係統覆蓋問題已經有解決方案,並正在積極實驗,但3G室內係統的覆蓋問題卻成了運營商心中的痛。這一問題得不到合理解決,3G運營隻能是海市蜃樓。到底運營商們會采取何種解[閱讀全文]
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3G網絡是一個完全動態的網絡,網絡優化周期更長。目前,大型建築物和高層的建築物成為3G室內優化的難點。  隨著3G試驗網絡建設的大規模展開,3G網絡優化招標采購工作業已結束。在未來的3G網絡的整個生命周期中,3G網絡優化將一直常伴左右,如何處理網絡優化與規劃的關係,如何解決網絡優化的難點問題成為了擺在運營商和係統提供商麵前的難題。  優化與規劃相[閱讀全文]
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(2007-06-27 04:19:17)
我想看我這篇文章的人如果不是海龜,至少是個能邦動海龜,關心海龜的人吧!據我接觸,至少有相當一部分人是想當海龜的,但海龜能成功地歸嗎?我覺得需先回答A.B.C.三個問題.
A.中國是怎麽個狀況?
1.據日本海關統計,中國出口日本方便筷子總計2243億雙,為生產這些筷子,中國需毀滅的山林麵積占中國國土麵積20%;實際上,中國1/3國土被酸雨汙染,3億農村喝不到安全之水,4億多城市居[閱讀全文]
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  被中國人誤傳了數千年的七句話
  
  在中國崇尚權威的文化氛圍中,名人名言占的地位是很重的,很多名家說的話,往往被人民當成指導自己人生觀世界觀的不二準則,但這些幾千年流傳下來的名言中,也有一些話被人刻意或無知地曲解,背離了話語者本身的意旨與初衷,迷惑了天下萬千受眾。影不才,試舉數例解析一二,以還世情真相與大眾……好了我再文[閱讀全文]
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Reducepowerconsumptioninthemobilehandset'sradiochainSomeofthelatestPAtechnologiescantakethebiteoutofthesepower-hungryparts.
ByJerryMiller,AnadigicsInc.
MobileHandsetDesignLine
(08/28/20065:00AMEDT)
Somesaythatbatterylifereignsaboveallinuserrequirementsforamobilehandset.Evenasusersdesireadvancedmultimediafeatures,theyaren'twillingtogiveuplongtalkandstandbytimestoobtainthem.Handsetde...[閱讀全文]
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嶽飛-滿江紅
  怒發衝冠,憑欄處,瀟瀟雨歇。抬望眼,仰天長嘯,壯懷激烈。三十功名塵與土,八千裏路雲和月。莫等閑、白了少年頭,空悲切。
  
  靖康恥,猶未雪;臣子恨,何時滅!駕長車,踏破賀蘭山缺。壯誌饑餐
  
胡虜肉,笑談渴飲匈奴血。待從頭、收拾舊山河,朝天闕。
 
晏殊-浣溪沙
   
  一曲新詞酒一杯,去年天氣[閱讀全文]
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May14,2007
Understandconnectivityoptions,optimalusagemodelsforyournextmobilehandsetdesign
Findoutwhatyouroptionsareandwhichonesarebestforyourmobiledesign
ByRayCasey,TritonHurd,CypressSemiconductorMobilehandsetstodayintegrateaneverincreasingfeatureset,consolidatingallofourhandheldelectronicsintoasingle,highly-integrateddevice,withtheemphasisonconvenienceandprovidinganenjoyablewirelessex...[閱讀全文]
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August09,2006
Sixmobileinnovationsthatwillchangeyourlife
ByDavidHaskinAcenturyago,communicatinginahurrymeantsendingatelegram.Ifyouneededtogoyourself,youwentbytrain.Flashforwardtotoday'sworldofe-mail-readysmartphonesand3Gwirelessaccess.Ifyouthinkthosearehandy,thengetready:Newertechnologyisemergingthatwillsignificantlychangehowwestayintouchwhenwearemobile--nearlyasmuchastelephonesandairplane...[閱讀全文]
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ResearchersatNokiaSiemensNetworksdoublethecapacityinuplinkusingVirtualMIMOinLTEnetworks.
Reductionofuserequipmentcostandpowerconsumption
ForthebusinessandtradepressEspoo,May02,2007
Inarecentlabtest,NokiaSiemensNetworks,apioneerinthecontinuingdevelopmentofmobilecommunications,hasshownhowaVirtualMultipleInputMultipleOutput(MIMO)methodcanbeusedfortheuplinkinLTE(LongTermEvolution)networks....[閱讀全文]
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WiFiandcellularconvergencefacestechnologychallengesTheavailabilityofWiFi-equippedmobilephonesandthegrowingpopularityofVoIParebreakingdowntheboundariesbetweencellulartelecomsandtheInternet.But,reportsSiânHarris,therearestillobstaclestoovercome.Untilrecentlythecellular-telecomsandtheinformation-technology(IT)industrieswereseparateworlds.Mobilephoneswereforpurelyvoicecommunicationsandcomputerse...[閱讀全文]
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