9:50 PM

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Explain 2G (GSM) optimization principles lect1

GSM optimization principles  first in 2G optimization and the first  behavior we must study is  the IDLE Mode the Main tasks for Mobile Station (MS) in idle Mode are : 1- PLMN selection. 2-Cell selection 3-Cell re-selection. 4- location updating. 5- Monitor the incoming page . ======================================================================== First : PLMN selection : When the mobile is switched on it will select the registered...
5:59 PM

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شرح كورس الGSM للمهندس وليد الصافوري بالعربي

شرح كورس ال GSM  للمهندس وليد الصافوري  حمل شرح كورس المهندس وليد الصافوري بالعربي , شرح الكورس من السليدات بتاعة المهندس وليد الصافوري الشرح زي ما كان بيتكلم المهندس وليد في الكورس بالظابط  http://www.4shared.com/rar/WMuCabbqba/_GSM___.html? من افضل واروع الشخصيات :) وتقدر تستفيد منه في كل كلمة بيقولها وكفاية انك تحضر الكورس معاه وتقراه وتبقي تماام &nbs...
10:40 AM

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SIMPLE EXPLAIN OF THE LTE STRUCTURE

System Architecture Evolution (SAE) is the network architecture and designed to simplify the network to other IP based communications network. SAE uses an eNB and Access Gateway (aGW) and removes the RNC and SGSN from the equivalent 3G network architecture, to make a simpler mobile network. This allows the network to be built as an “All-IP” based network architecture. SAE also includes entities to allow full inter-working with other...
5:29 PM

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شرح كباين موتورولا للمهندس احمد شوقي

بسم الله الرحمن الرحيم  انا اخوكم المهندس احمد هحاول فى البدايه اقولكم مكونات كباين موتورلا فى البدايه فى نوعين من الكباين horizon 1  ودى قديمه جدا ونادر لما بتلاقيها فى سيتات فى منها بس قليل اوى  والنوع التانى اللى هو horizon 2 وده زى اللى فى الصورة وبيتكون من اللى على اليمين  كارت اسمه h2sc وده عباره عن البروسيسور بتاع الكابينه والكارت اللى جمبه ده  فى الصورة بس فى الغالب بيكون كارت واحد بس فى الكابينه...
5:21 PM

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CDMA / UMTS RF Interview Questions 4

1. What are the RRC states? There are 4 RRC States: Cell_DCH, Cell_FACH, URA_PCH and Cell_PCH. URA = UTRAN Registration Area. VISIT OUR FACEBOOK PAGE  TELECOM ENGINEER 2. What are transparent mode, acknowledged mode and unacknowledged mode? · Transparent mode corresponds to the lowest service of the RLC layer, no controls and no detection of missing data. · Unacknowledged mode offers the possibility of segment and concatenate of...