AMPS and D-AMPS are cellular technologies that existed during the first and second generations of mobile networks. While second-generation (2G) cellular technologies still exist today, both AMPS and D-AMPS are now obsolete and have been replaced by GSM and CDMA mobile networks. AMPS was a first-generation (1G) cellular technology, and D-AMPS was a second-generation (2G) […]
How are AMPS and D-AMPS different from GSM and CDMA? Read More »
IMEI or International Mobile Equipment Identity is one of the many unique identifiers associated with mobile phones. While other identifiers like IMSI, MSISDN and ICCID are linked to the SIM card, IMEI is connected to the mobile device itself. With the increasing trend of having the eSIM capability within mobile phones, it is becoming common
IMEI 1 and IMEI 2: Why my phone has two IMEI numbers? Read More »
5G mobile networks have been around for a couple of years now in many countries, but there is still confusion around the device and SIM needs. It is important to clarify these questions so that you don’t end up buying a phone or SIM that does not fully meet your requirements. If you want to
Do I need a new phone and a new SIM card for 5G? Read More »
While the focus in mobile communications today is mainly on 4G LTE and 5G NR technologies, 2G and 3G cellular technologies are still in operation. The majority of 2G and 3G networks in the world follow the GSM track, but there are many mobile operators that use CDMA-based mobile networks, IS95 (cdmaONE) and IS2000 (CDMA2000)
CDMA mobile networks: Difference between IS95 And CDMA2000 Read More »
EVDO or Evolution-Data Optimized was introduced in the CDMA2000 networks to provide high-speed mobile data. Another standard, EV-DV or Evolution Data and Voice, was introduced in CDMA networks to provide integrated voice and data. LTE is the 4G migration path for all 3G mobile networks, including CDMA2000 and UMTS. HSPA is a similar technology to
Is EVDO in 3G CDMA networks different from HSPA and LTE? Read More »
A mobile core network is essential to every activity we perform through our mobile phones. It connects our mobile phones to external networks and allows us to access all the services that we are entitled to use. A mobile core network is a central part of the overall mobile network that allows subscribers to get
What is a mobile core network? Read More »
OSS and BSS are an essential part of a mobile network, and while they perform different tasks, the terms OSS and BSS are interrelated. OSS and BSS are network entities or systems representing the operational and business sides of a mobile telecom network. OSS supports network operations tasks such as performance, faults, configuration, provisioning, network
OSS vs BSS: What are OSS and BSS systems in mobile networks? Read More »
If you are familiar with the base stations within the 3G, 4G and 5G mobile networks, then you may have come across the terms Node B, eNodeB and gNodeB before. Base stations are part of a mobile radio network that represents the largest part of the overall mobile network. Node B is the radio base
What is the difference between Node B, eNodeB, and gNB? Read More »
Mobile networks use various unique codes to be able to dispatch the services relevant to specific subscribers accurately. IMEI, IMSI, ICCID and MSISDN are some of the key codes required for the identification of mobile devices. IMEI is a 15-digit number assigned to every cellular device for each of its SIM slots; IMSI is a
Difference between IMEI, IMSI, ICCID and MSISDN numbers Read More »
In mobile communications, it is not uncommon to encounter complex terminologies every now and then. But there are also times when simple concepts become complicated due to the misconceptions that lead to confusion. One such confusion is around the terminologies used for referring to the phone that connects you to the mobile network. With over
Smartphone, cell phone, mobile phone and feature phone Read More »
