What is mMIMO .. ?!!
It means massive Multiple Input Multiple Output.
It is a communication system with a large group of antennas called AAU active antenna unit
It's purpose is to send and receive a large number of data streams at the same time in order to increase capacity and throughput
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| mMIMO |
We can use it in some systems like :
✔️Microwave links
✔️LTE
✔️5G
Another technology called beamforming
Is also used, through which the beam is directed form the antenna to specific user by this technology
✔️We already reduce the interference
✔️We already perfectly control the power consumption
There is two types of massive MIMO thy are :
✔️SU (single user)
✔️MU (Multibe users)
Depending on the number of users connected with the Base Station
In this type of MIMO in terms of the number of Antennas and they are
✔️32T32R
✔️64T64R
letter T stands for the number of Transmitting Antenna elements and the letter R stands for Reception
I mean for example the 64T64R in it 128 antenna elements
Each antenna can track-45 and +25
degrees.
يعني ايه NOC
دي عباره عن network operation center
وتعتبر مجموعه من التيمات في شركات الموبايل هدفها عمل
Network, monitoring
Alarm troubleshooting
يعمي مراقبه الشبكه وحل اي عطل موجود عليها
ال NOC بيتكون من اكتر من Team ذي
Front office
Back office
1st line support
2nd line support
Incident mangment
هل ينفع نشتغل في التيمات دي لو فريش ؟
الاجابه ايوه . ينفع تشتغل اي حاجه ماعدا back office
هل التيمات دي بتتقسم داخليا ؟
ايوه . ممكن تشتغل في الفروع دي
RF
Transmission
IP
ايه اللي المفروض اتعلمه لو اشتغلت في التيمات دي
اهم حاجه تركز علي ال
Maintenance and alarms troubleshooting
Hardware equipment
Software and NMS operation
لو اشتغلت في أي تيم سواء front office أو incident لازم تتعلم ال
Network maintenance
Troubleshooting
HW structure
Signal flow
NMS operation
يعني ايه NMS
معناها networks mangment system وده السوفت وير اللي من خلاله بنراقب الشبكه ونعملها كونفجريشن ونعمل login عليها
ال operations المهم تتعلمها علي ال NMS هي
Login
Performance measurements
Service creation
Alarm troubleshooting
Commission
Data collection
Reset,loop, backup DB . Restore , SW upgrade,...
شكراً على سوالك سيتم الرد عليك في وقت قصير