Nokia 6

This is the first phone from Nokia system Android - Nokia 6 and at a price of $ 250 

Phone specifications:

• Structure of aluminum with a fingerprint reader in home button
• Magnitude 5.5 screen resolution Full HD protected inch layer of Gorilla Glass 3
• Kowalkm Snapdragon processor 430
• 4 gigabytes of RAM
• Internal memory storage with 64 gigabytes external memory support up to 256 gigabytes
• Background accuracy 16 Miqapeixl camera and front-accuracy 8 Miqapeixl
• Battery is removable capacity of 3000 mAh supports fast shipping
• Android 7.0 system Noga
• Support segments connected
• Available in black only

WHICH ONE IS THE BEST, Mechanical tilting or Electrical tilting ? 

<1>  Mechanical tilting :  

* With mechanical down tilting, the main beam will be down tilted but the                               

  back lobe will be up tilted that make interference. 

 * With mechanical tilting you can’t change the tilt of one band alone. 

<2>  Electrical  tilting :  

* With electrical down tilting, the main beam will be down tilted but the                              

   back lobe will not be up tilted so back lobe interference decreased. 

* With electrical tilting you can change the tilt of any band alone. 

   So Electrical Tilting is better than Mechanical Tilting

Types of Tilting: 

*  Mechanical Tilting  : tilting the physical body of the antenna 

*  Electrical Tilting: change the phase of the current fed the internal 

   dipoles which will result in tilting the main beam. 

Antenna Tilting:  

     Direction of the antenna vertical beam. 

Types of tilting: 

    No Tilt: The vertical beam of the antenna is directed towards the horizon. 

    Down Tilt: The vertical beam of the antenna is directed lower the horizon. 

    Up Tilt: The vertical beam of the antenna is directed above the horizon. 

   

what is STEAM

Effectively the iTunes Store for PC games, Steam is a game distribution platform, created in 2002 by the Valve Corporation, that has become a popular hangout for millions  all over the world of serious PC gamers. you install the Steam application on your PC, create an account, add payment details and can then use it to buy and download games, join multiplayer games and chat with other Steam users. The advantage of using Steam is that, because you don’t have actual discs which could get damaged, or lost , it is so easy to re-download and reinstall games at any time. And it saves your game progress in the cloud,so you can log in to your Steam account on someone else’s home computer, play any game and not interfere with  their saved games.  

Dedicated Control Channels 

*  Stand alone Dedicated Control Channel (SDCCH)  

         <1>  Used for signaling purposed: call setup, location update, IMSI 

                 attach – detach. 

         <2>  Used to send / receive SMS in idle mode.  

*  Slow Associated Control Channel (SACCH) 

         <1>  Always allocated with traffic channel to transmit measurement 

                 reports. 

         <2>  DL: Commands from the network to the MS to adjust its power, 

                 Timing advance (TA). 

         <3>  UL: information about the MS own power, received signal 

                 strength, quality and SS for neighbor cells. 

         <4>  Used to send SMS in active mode. 

*  Fast Associated Control Channel (FACCH) 

         <1>  Transmits handover information.

Common Control Channels

  To or from a certain BTS to a single mobile 

*  Paging Channel (PCH) 

        BTS Transmits a paging message to indicate an incoming call or 

        short message. The paging message contains the identity number 

        of the mobile subscriber that the network wishes to contact. (DL) 

*  Random Access Channel (RACH) 

        MS Answers paging message on the RACH by requesting a signaling 

        channel of SDCCH.  (UL) 

*  Access Grant Channel (AGCH) 

        Assigns a signaling channel (SDCCH) to the MS. (BCH)or as it called (DL)