博文
Access point base station
(2007-04-05 06:30:10)
AccesspointbasestationFromWikipedia,thefreeencyclopedia(RedirectedfromFemtocell)Jumpto:navigation,searchAnAccessPointBaseStation-sometimescalledafemtocell,isascalable,multi-channel,two-waycommunicationdeviceextendingatypicalbasestationbyincorporatingallofthemajorcomponentsofthetelecommunicationsinfrastructure.AtypicalexampleisaUMTSaccesspointbasestationcontainingaNode-B,RNCandGSNwithonlyanEthernet...[阅读全文]
阅读 () ┆ 评论 (0)
Hotspots for Cellphones
(2007-04-05 06:27:25)

HotspotsforCellphonesPostedbysamconApril2nd,2007Suddenlyfemtocellsarepoppingupeverywhere.FemtocellAccessPointsprovidevoiceanddataservicesofanormalcellularbasestation,butwiththedeploymentsimplicityofaWiFiaccesspoint.Thesehotspotsforcellphonesworkinsidethehome—withyourcellphone.Wi-Fihasnothingtodowithit.Samsung’sUbiCellisplug-and-playhotspotforcellphones.YouplugitintoaDSLline.ThebasestationisaCDMA...[阅读全文]
阅读 () ┆ 评论 (0)
Cellular Radio Telecommunication for Health Care: Benefits and R
(2007-03-26 04:22:15)
AbstractCellularradiotelecommunicationhasincreasedexponentiallywithmanyapplicationstohealthcarereported.Theauthorsattempttosummarizepublishedapplicationswithdemonstratedeffectonhealthcare,reviewbrieflytherapidevolutionofhardwareandsoftwarestandards,explaincurrentlimitationsandfuturepotentialofdataqualityandsecurity,anddiscussissuesofsafety.Radiotelephonyhasbeenusedinhealthcaresinceitwasfirstintrod...[阅读全文]
阅读 () ┆ 评论 (0)
European vs. American mobile phone use
(2007-03-23 06:52:52)

Europeanvs.AmericanmobilephoneuseInlastweek'spostaboutPalm'sphoneplans,ImadeapassingcommentabouttherightwaytodisplayyourmobilephoneatdinnerinEurope.Itturnedouttobethemostpopularpartofthepost,andproducedacoupleofrequeststhatIsaymorecomparingEuropeanandAmericanattitudestowardmobilephones.Idon'tpretendtotheworld'sexpertonthesubject,butI'llsummarizewhatI'veseen.Heregoes:
IntheUS,acellphoneisatool....[阅读全文]
阅读 () ┆ 评论 (0)
700 MHz Explained in 10 Steps
(2007-03-22 06:20:02)

700MHzExplainedin10StepsWrittenbyOmMalik
Wednesday,March14,2007at6:30AMPT|13commentsLastweekwereportedonthewebgiantsGoogle,YahooandeBaysettingasidetheirdifferencesandjoiningforceswithsatellitetelevisionproviders,demandingthattheyshouldhavesomesayinwhattheFCCdoeswiththe700MHzspectrum.Thespectrum,currentlyownedbybroadcasters,hasbeenusedforanalogtelevision.Butitissettobeturnedovertothegovernmenti...[阅读全文]
阅读 () ┆ 评论 (0)
海龟回国创业一年经历记
(2007-03-14 12:00:47)
转贴：海龟回国创业一年经历记
我的这一年
By海道
一、移民、创业准备
虽然从1993年就开始断续出国，日本东南亚转了几圈，但真正出国还是这次移民。对我
来讲，出国就是一种逃避，我不喜欢国内官场的那种氛围，希望过简单真实的生活。这
也许就是性格决定命运的开始，我天生就是矛盾：本来从小就心灵手巧，喜欢技术和动
手做工，却偏偏没有平静[阅读全文]
阅读 () ┆ 评论 (0)
大家可以用这个图来benchmark中美欧几个大国科技方面的长短 (图)
(2007-03-14 11:46:43)

大家可以用这个图来benchmark中美欧几个大国科技方面的长短(图)LocalAccess打往中国电话卡1.3￠/分种来源:嫩头青于07-03-1408:36:37[档案][博客][旧帖][转至博客][给我悄悄话]
精彩帖子推荐:·免費股市即時報价和圖表工具
[阅读全文]
阅读 () ┆ 评论 (0)
An Insight Into 4G
(2007-03-14 11:28:02)
AnInsightInto4G12thJanuary,20044GMobileResearchinAsia,byWillieW.LuASIA:Wirelesscommunicationsismorethanjustaconvenience.Whentheglobalperspectiveisconsidered,wirelessstandstobethemethodmostpeoplewillusetoconnecttotheInternet.Thus,toreachtheirfullestpotential,allthebenefitsweassociatewiththeWorldWideWebtoday-multimedia,e-commerce,unifiedmessagingandpeer-to-peernetworking--mustextendtothewirelessenvi...[阅读全文]
阅读 () ┆ 评论 (0)
WiFi Phones Reviewed
(2007-03-14 07:09:39)

WiFiPhonesReviewedInformationWeekreviewssomepopularWiFiphones.SkypeandVonagehaveeachpartneredwithhardwaremanufacturerstoreleasecell-likephonesthatcanusetheirservicesviaWi-Finetworks,saysInformationWeek.
Traditionalcellcarriersarelaunchingdual-modephonesthatalsorunoverWi-Finetworks.T-MobileistestingHotSpot@HomeinSeattle.Theservicemaybeextendedtoothercitiesin2007.
Sprintandcablecompanieshave...[阅读全文]
阅读 () ┆ 评论 (0)
WISPs Organize for Unlicensed 700 MHz
(2007-03-14 07:05:56)

WISPsOrganizeforUnlicensed700MHz
ISPPlanetsaystheFCChassomespectrumandeveryonewantsapieceofit.
AspartofthemigrationofTVbroadcastfromanalogtodigital,spectrumpreviouslyallocatedtoUHFandVHFbroadcast(andlittleused)mightbeopenedtootherusers.
Thespectrumunderdiscussion(accordingtotheFCC’sNoticeofProposedRulemaking,datedMay13,2004,p.28)is76to88MHz,174to216MHz,470to608MHz,and614to698MHz.ForWI...[阅读全文]
阅读 () ┆ 评论 (0)
[上一页]
[1]
[2]
[3]
[4]
[5]
[下一页]
[>>]
[首页]
[尾页]