ZCORE系列NBIOT開發(fā)底板資料開源。 NBIOT開發(fā)板主要接口： Micro USB *1 3.7V電池充電電路 慶科WIFI模塊支持 貼片SIM卡支持 STM32L433全部外圍接口已拉出為2.0排針
標(biāo)簽： ZCORE-STM 32 BC 95 核心板
上傳時(shí)間： 2018-04-25
上傳用戶：pshr960405
f77格式轉(zhuǎn)f90軟件，共6個(gè)軟件，自己選擇適用的
標(biāo)簽： fortran 格式轉(zhuǎn)換
上傳時(shí)間： 2019-04-16
上傳用戶：qaz我cao
During the past years, there has been a quickly rising interest in radio access tech- nologies for providing mobile as well as nomadic and fixed services for voice, video, and data. The difference in design, implementation, and use between telecom and datacom technologies is also getting more blurred. One example is cellular technologies from the telecom world being used for broadband data and wireless LAN from the datacom world being used for voice over IP.
上傳時(shí)間： 2020-05-26
上傳用戶：shancjb
Duringthe past years, there has been a quickly rising interest in radio access technologies for providing mobile as well as nomadic and fixed services for voice, video, and data. This proves that the difference in design, implementation, and use between telecom and datacom technologies is also becoming more blurred. What used to be a mobile phone used for voice communication is today increasingly becoming the main data communication device for end-users, providing web browsing, social networking, and many other services.
標(biāo)簽： LTELTE-Advanced 4G
上傳時(shí)間： 2020-05-26
上傳用戶：shancjb
fixed-mobile.convergence.and.voice-data.networks.have.merged.next-gen- eration,.value-added.applications.and.integrated.multimedia.services,.com- bining. Web. browsing,. instant. messaging,. presence,. voice. over. IP,. video. conferencing,. application. sharing,. telephony,. unified. messaging,. multi- media.content.delivery,.etc..on.top.of.different.network.technologies..The. convergence.of.the.communications.networks.is.motivated.by.the.need.to. support.many.forms.of.digital.traffic.as.well.as.to.amortize.implementation. and.operational.costs.of.the.underlying.networks..Historically,.the.approach. to. build. and. deploy. multimedia. services. has. focused. upon. single-point. solutions..
標(biāo)簽： Multimedia Subsystem Handbook IMS IP
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
Mobilenetworkoperatorswillmeetmanychallengesinthecomingyears.Itisexpectedthatthe numberofpeopleconnected,wirelineandwireless,willreachfivebillionby2015.Atthesame time, people use more wireless services and they expect similar user experience to what they can now get from fixed networks. Because of that we will see a hundred-fold increase in network traffic in the near future. At the same time markets are saturating and the revenue per bit is dropping.
標(biāo)簽： Self-Organising Networks LTE
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
Nature is seldom kind. One of the most appealing uses for radio- telephone systems—communication with people on the move—must over- come radio transmission problems so difficult they challenge the imagina- tion. A microwave radio signal transmitted between a fixed base station and a moving vehicle in a typical urban environment exhibits extreme variations in both amplitude and apparent frequency.
標(biāo)簽： Communications Microwave Mobile
上傳時(shí)間： 2020-05-28
上傳用戶：shancjb
By definition, the term “mobile-radio communications” describes any radio communication link between two terminals of which one or both are in motion or halted at unspecified locations and of which one may actually be a fixed terminal such as a base station. This definition applies to both mobile-to-mobile and mobile-to-fixed radio communica- tion links. The mobile-to-mobile link could in fact consist of a mobile- to-fixed-to-mobile radio communication link.The term “mobile” applies to land vehicles, ships at sea, aircraft, and communications satellites. In tactical situations, mobile-radio systems may include any or all of these types of mobile terminals.
標(biāo)簽： Communications Engineering Mobile
上傳時(shí)間： 2020-05-30
上傳用戶：shancjb
Notwithstanding its infancy, wireless mesh networking (WMN) is a hot and growing field. Wireless mesh networks began in the military, but have since become of great interest for commercial use in the last decade, both in local area networks and metropolitan area networks. The attractiveness of mesh networks comes from their ability to interconnect either mobile or fixed devices with radio interfaces, to share information dynamically, or simply to extend range through multi-hopping.
標(biāo)簽： Multi-hop Networks Mesh
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
European Research Framework programs are public policy instruments designed to strengthen European competitiveness through cooperation. Although they have a fixed time frame, determined research themes, and a specific expected impact, the achievements in research and development (R&D) made by these funded proj- ects pave the way for a research continuum.
標(biāo)簽： Communications Horizons Wireless Mobile New and in
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
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