Study on mine mobile communication protocol the base station mobile phone;
礦井無線通信協(xié)議及基站移動臺的研究
The study of the communication protocol and the mobile and base station of mine mobile communication system;
礦井移動通信系統(tǒng)通信協(xié)議及基站移動臺的研究
Theory and practice on energy saving in mobile communication base station;
移動通信基站節(jié)能控制的理論與實踐
how to expand the existing PBX function,which will add the control function of cell station to it.
為了使傳統(tǒng)的PHS(小靈通)系統(tǒng)接入到基于IP通信協(xié)議的下一代網(wǎng)絡(luò),文章首先簡要介紹了整個PHS接入系統(tǒng)的總體結(jié)構(gòu)和功能,同時按照具體接入點的不同,列出了可供選擇的2種接入方案,著重介紹了如何對現(xiàn)有的專用PBX交換機(jī)的功能進(jìn)行擴(kuò)充,把基站控制功能植入其中,使其除了支持PHS系統(tǒng)普通呼叫的所有情況以外,更增加了對于PS手機(jī)終端的登記、鑒權(quán)和漫游等功能,并對PBX的核心———MPC的內(nèi)部普通呼叫流程進(jìn)行了闡述。
The design and implementation of PHS cell station signal reconstruction device based on ML7338 is introduced,the hardware and software design and compiling are given,and the software flow is explained in detail.
介紹了一種新型PHS基站信號再生設(shè)備的設(shè)計與實現(xiàn)方法,完成了該系統(tǒng)的硬件模塊設(shè)計和軟件設(shè)計及編譯,并對軟件流程進(jìn)行了詳細(xì)的介紹。
This system i s made up of explosion-proof base-station control KTW5,explosion-proof base -station KTW6,explosion-proof electrical source KDW24 and KTG3.
該系統(tǒng)由防爆基站控制器KTW 5、防爆基站KTW 6、防爆電源KDW 2 4和光端機(jī)KTG3等組成。
On the basis of study of the effection factors for communication frequencies caused by underground geology condition and production condition, a relatively good frequency group of wireless communication transmission in underground was defined, and the distributing scheme of base-station in underground cellular communication was offered.
在研究了井下地質(zhì)條件和生產(chǎn)環(huán)境對通信頻率的影響因素基礎(chǔ)上,確定了井下無線通信傳輸?shù)妮^佳頻段,并提供了井下蜂窩通信基站的布置方案。
Typical sensor nodes pos-sess limited energy,computation and memory resources,and the security of communication among nodes is traditionally realized by configuring base-stations which has the properties of possessing more energy,holding more bandwidth and covering wider area.
普通的傳感器結(jié)點電池電量低、計算能力弱和存儲容量小,傳統(tǒng)的通訊策略通過設(shè)置電池電量高、通訊帶寬高、覆蓋范圍廣的基站實現(xiàn)結(jié)點之間的安全通訊,但基站易于因遭受攻擊或負(fù)擔(dān)過重而無法正常工作,從而導(dǎo)致網(wǎng)絡(luò)的癱瘓。
The principle and engineering design of lightning protection for BTS station;
移動通信基站雷害防護(hù)的原理與工程設(shè)計
CDMA2000 BTS Clock Synchronization System and Circuits;
CDMA2000基站時鐘同步系統(tǒng)及電路
Analysis of SDH Equipment Cooperates with BTS in GSM Network;
SDH設(shè)備與GSM基站配合問題的理論和實驗分析
It sends and receives wireless signals between mobile terminal and Base Station (BS), and switchovers signals in different BSs.
該處理器能靈活實現(xiàn)移動通信系統(tǒng)中基帶信號的各種處理,通過無線信號實現(xiàn)移動終端同基站之間的發(fā)送與接收,而且能夠于不同基站之間進(jìn)行信號切換。