How to Become the Best Interoperability (IOT) Tester

  Field test is challenging! I was tester for almost 5 years doing 3G and LTE field and lab test. I traveled across the globe to do interoperability testing with operators and network vendors. Each test session was unique and I learned a lot from each of those. I struggled in the beginning, but as I stated to travel more (more ..)

LTE Cat 0 for Internet of Things and M2M

Internet of Things is the buzzword at this moment. Whenever I go to a startup meetup these days, half of the discussion is about Internet of Things. Either it is connected cars or connected home or anything which can just talk to another device is the next big thing. Almost all ideas are now about connecting something to something. This (more ..)

5G Mobile Access

5G is coming and we all are curious about what the next generation mobile technology is going to offer! Though there is still sometime to see real world deployment (First 5G deployment plan is 2020), companies are putting their best efforts to shape the technology up. Among those who shown tremendous interest and working to make things work is Motorola. (more ..)

3GPP Decoder v1.0 Released

I am happy to announce the first version of 3GPP Decoder, a open source and free tool to decode LTE, UMTS and GSM messages and PDUs. For the first version the following messages are supported: GSM GAN TCP GAN UDP GSM CCCH GSM SACCH LLC NAS SNDCP SNDCPXID UMTS RLC-AM RLC-UM NAS RRC BCCH.BCH RRC BCCH.FACH RRC DL.CCCH RRC DL.DCCH (more ..)

When is 5G Coming? What are We Expecting?

2020 will be the year when the first 5G network is scheduled to roll out and the work is in full swing. All organizations, operators, network vendors are putting their much needed efforts to make the 5G vision into reality. 5G as a technology is expected to enable a fully mobile and connected society and to empower socio-economic transformations in (more ..)

LTE Radio Interface Protocol Stack

This week I was giving a workshop on LTE RLC overview, when someone asked me how the LTE RLC ARQ works and what are the differences from UMTS. It was a awesome discussion. Though I was giving the workshop, but with that discussion I also became clear with many technical points. Radio Link Protocol in LTE is much more simpler (more ..)