Questions tagged [lte]

LTE - Long Term Evolution - originally, the long term evolution of the 3G wireless systems; today, refers to a specific wireless cellular system

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Force Packet thru different VRF with route-map

I am working on a LTE backup configuration. I would like to have the cellular connection open constantly and establish a VPN connection even before a failure on the wired internet line occurs. This ...
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Cellular interface in VRF (LTE)

We are testing an LTE configuration with a Cisco C1113-8PLTEEA router. We already have a wired internet connection in a specific VRF called DSL. As far as i understand the LTE backup, we do have to ...
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How are different phone/GSM operators connected with each other?

This might be a noob question, but I am having trouble finding an answer to it. Let’s say I am a new GSM operator. How would I go about connecting my network and my subscribers to the rest of the ...
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M-LWDF MU-MIMO packet scheduling in LTE/5G networks: when should we stop adding users to an RBG?

My boss gave me a task to simulate M-LWDF LTE packet scheduler (in MU-MIMO case, when multiple users could be added to each frequence resource block). We don't have realtime traffic in our model, so ...
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What's the role of the AF entity in LTE network?

An AF entity is necessary, for example, to create a dedicated bearer, but I don't understand what it really does, and why is it necessary for this creation?
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How to compare two DSCP ? which one of DSCP 28 and 34 (decimal) has more priority?

How to compare two DSCP ? for example which one of DSCP 28 and 34 (decimal) has more priority ?
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Is MIMO equivalent to link aggregation?

Is MIMO the wireless version of link aggregation in wired networks? I'm not asking if MIMO is a similar link aggregation protocol like LACP or PAgP, what I'm asking is if it is the same concept as ...
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87 views

Packet scheduling in LTE/5G core network components

Scheduling algorithms must be used on the radio side of these technologies in order to map radio sources to incoming/outgoing data packets and satisfy quality of service requirements such as latency ...
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Can you create an open LTE network?

Being an ex-politician, I've had to discuss "free city-wide Wi-Fi" many times. What I've always been thinking is, why don't we just have free 3G/4G in the city? I've some memories of being at a large ...
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261 views

How ISP identifies a device on an LTE network?

I have an LTE CPE which has been provided by an ISP. When I tried to put the SIM into another device, it connected to the network but instantly got disconnected from the network. There should be some ...
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199 views

LTE EPC Synchronization between redundant components

I am investigating resiliency in LTE Evolved Packet Core. Each EPC components has information storage as defined for each user in 3GPP TS 23.40 (Ch 5.7). In case of failure this info needs to be ...
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512 views

When LTE to UMTS IRAT handover is made, what changes occurs in MAC layer?

I have not been able to figure out any changes in MAC layer. If there doesn't occur any change then please give the reason