Basic Function of Uplink & Downlink Transport Channel in LTE

Basic Function of Uplink & Downlink Transport Channel in LTE Downlink Transport Channel Broadcast Channel (BCH) A fixed TF Used for transmission of parts of BCCH, so called MIB Paging…

WCDMA Radio Interface Channel Definition

Logical Channel = information container  Defined by is transferred. Transport Channel = characteristics of transmission Described by and with data is transmitted over the radio interface . Physical Channel =…

DL & UL Physical Channel in LTE

How Physical channel of LTE works in UL & DL?A distinction has to made between:  The Physical channel The Physical signal The DL physical channels are: Physical DL Shared Channel…

From the Transport to the Physical Channel in LTE

Transport channels are then mapped on the physical channels which are sent over the air interface A CRC is calculated and appended to each TB. It allows the receiver to…

How Transport Channel Work in LTE?

A transport channel defines how and with what characteristics the information is transmitted. Inherited from the WCDMA, data on the transport channel is organized into “Transport Blocks”, TBs. A Transport…

How Many Logical Channel in LTE ?

The following control logical channels have been defined by the 3GPP: BCCH, Broadcast Control Channel, used for the transmission of system control information. A UE needs to decode it before…

How Channel Architecture in LTE?

A Logical Channel is defined by the type of information it carries. Logical channels are classified into control and traffic channels. Answer to the question: what is it being transported?…

How MAC Protocol Work In LTE?

The MAC protocol provides the following services: Logical Channel to Transport channel mapping Scheduling: There is no dedicated channel allocated to a UE. Time and frequency resources are dynamically shared…

Radio Link Control (RLC) protocol services in LTE

The Radio Link Control (RLC) protocol provides the following services: Segmentation of SDU according to the size Re-Segmentation of PDU Radio Bearer to logical channel mapping Transfer of data in…

LTE Channel Mapping and UE Categories

Logical and transport channel mapping in downlink and uplink LTE UE Categories

lub Interface in 3G WCDMA

The 3G Iub interface is the terrestrial interface between NodeB and RNC. The Radio Network Layer defines procedures related to the operation of the WCDMA NodeB. The Transport Network Layer…