There are three different channel types defined in LTE – logical channels, transport channels, and physical channels, each associated with a service access point (SAP) between different layers. These channels are used by the lower layers of the protocol stack to provide services to the higher layers.
Read moreWhat are logical channels in LTE?
A logical channel is defined by the type of information it carries and is generally classified as a control channel, used for transmission of control and configuration information necessary for operating an LTE system, or as a traffic channel, used for the user data.
Read moreWhat are the physical channels?
A physical radio channel is a radio frequency or pair of frequencies that is allocated by the regulatory body to an agency for communication . Simply put, this means in direct radio to radio communication the same frequency may be used for reception and transmission.
Read moreWhat are UMTS data channels?
UMTS logical channels UMTS/WCDMA Logical ChannelFunctionCommon traffic channel(CTCH)It is used to carry user traffic(e.g.cell broadcast SMS)Paging control channel(PCCH)It is used to carry paging messages directed towards UEBroadcast control channel(BCCH)It is used to carry broadcast messages towards UElogical,transport,physical UMTS channels – RF Wireless World www.rfwireless-world.com › Tutorials › UMTS-logical-transport-physical-…
Read moreWhich channels are used for downlink in GSM UMTS?
There are mainly five Downlink Logical Channel in GSM.
Read moreWhat are the types of UMTS radio services?
The two UMTS air interfaces (UTRAs) for UMTS-TDD are TD-CDMA and TD-SCDMA .
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