In LTE Dedicated bearers carry traffic for IP flows that have been identified to require a specific packet forwarding treatment. Dedicated bearers can be either GBR (Guaranteed Bit Rate) or non-GBR. … Non-GBR bearers can suffer packet loss under congestion while GBR bearers are immune to such losses.
What is GBR in 5G?
Like 4G, 5G QoS provides a Non-Guaranteed Bit Rate (Non-GBR) and Guaranteed Bit Rate (GBR) classification. … For GBR flows, there is a Guaranteed Flow Bit Rate (GFBR), as well as a Maximum Flow Bit Rate (MFBR) and a maximum packet loss rate.
What is default LTE bearer?
The first EPS bearer that is activated when a PDN connection is established in LTE is called the “default bearer”. This bearer remains established during the lifetime of the PDN connection. … Additional EPS bearers that may be activated for a PDN connection are called “dedicated bearers”.
How many Qci support GBR?
Standardized QCI .
|QCI||Service Type||Examples service|
|3||GBR||Non-Conversational video (buffered streaming)|
|6||Non-GBR||Voice, Video (live streaming), interactive gaming|
What is Qfi in 5G?
Each QoS flow packets are classified and marked using QoS Flow Identifier (QFI). The 5G QoS flows are mapped in the Access Network to DRBs (Data Radio Bearers) unlike in 4G where mapping is one to one between EPC and Radio Bearers.
What is Nssai in 5G?
Network Slice Selection Assistance Information (NSSAI) – The NSSAI is a collection of up to 8 S-NSSAIs. Single Network Slice Selection Assistance information (S-NSSAI) – It identifies a Network Slice. S-NSSAI = Slice/Service type (SST) + Slice Differentiator (SD).
What is best bearer in APN?
Bearer. The Bearer setting allows you to restrict the current APN configuration to only be available when specific communication protocols are in use. … It allows you, for example, to use one APN configuration to be selected when LTE is in use, and another APN configuration to be selected if eHRPD or EvDO is in use.
What are different bearer services?
The bearer services include the following: Rate adapted sub-rate information like circuit switched asynchronous and synchronous duplex data, 300-9600 bits. Speech and data swapping during a call, i.e. alternate speech and data. Modem selection, i.e. selection of 3.1 kHz audio service when inter-working with ISDN.
What is paging message in LTE?
Paging in LTE network is used to inform and notify UE about various events. The propose of paging procedure is: … To inform UEs in RRC_IDLE and UEs in RRC_CONNECTED state about a system information change. To inform UE about ETWS primary notification and ETWS secondary notification.
What is Qci LTE?
QoS Class Identifier (QCI) is a mechanism used in 3GPP Long Term Evolution (LTE) networks to ensure bearer traffic is allocated appropriate Quality of Service (QoS). … QCI value 9 is typically used for the default bearer of a UE/PDN for non privileged subscribers.
How do I create a dedicated bearer in LTE?
This procedure is called network initiated dedicated bearer setup. Dedicated Bearer Setup: After receiving the new PCC rules from PCRF P-GW sends QoS parameters, uplink TEI and uplink TFT for the UE using CREATE DEDICATED BEARER REQUEST. S-GW forwards this to MME.