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CHANNELS HFRFRONTHAUL NetvisionMPTCP Springwave1588 PTP        
LTE Radio Channels
November 17, 2017 | By Mohamed Abdel Monem @ Vodafone
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We are pleased to share with you all an interesting article contributed by Mohamed Abdel Monem. 

 
 

Mohamed Abdel Monem 

Radio Optimization Senior Engineer at Vodafone Egypt

 

 

All Articles by Mohamed Abdel Monem  

 
     
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In order that data can be transported across the LTE radio interface, various "channels" are used. These are used to segregate the different types of data and allow them to be transported across the radio access network in an orderly fashion.

 

Effectively the different channels provide interfaces to the higher layers within the LTE protocol structure and enable an orderly and defined segregation of the data.

 

LTE channel types

 

There are three categories into which the various data channels may be grouped.

  • Physical channels:  These are transmission channels that carry user data and control messages.
     
  • Transport channels:  The physical layer transport channels offer information transfer to Medium Access Control (MAC) and higher layers.
     
  • Logical channels:  Provide services for the Medium Access Control (MAC) layer within the LTE protocol structure.
     

Logical Channel Types


Transport Channel Types


Physical Channel Types


Multiplexing of Channels

 

 
     
Nitin (Panasonic) via LinkedIn 2017-12-28 12:06:43

Good explanation for channels

Tim (Cobham Wireless) via LinkedIn 2018-01-02 10:27:57

Very useful representation of LTE UL and DL logical, transport and physical channels.

Aaron (Verizon Wireless) via LinkedIn 2018-01-02 10:28:39

This is a great visual, thank you

Sergio (Claro) via LinkedIn 2018-01-03 10:38:32

Excelente trabajo, claro y resumido. Se agradece

José (Orange) via LinkedIn 2018-01-05 10:32:41

Very interesting learning!!

Sergio @ Claro via LinkedIn 2018-02-07 21:15:41

Excellent work, clear and summarized. It is appreciated

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