Android field test shortcode
Did you know that by entering a shortcode on most Android phones, you can access a hidden menu which gives you a lot of information about the network and device, including radio frequency used...
Tagged: Layer 2
Calculate the maximum throughput of TD-LTE
In a previous post I presented how to calculate the maximum throughput of LTE, and this was focusing on LTE FDD (Frequency Division Duplex), where an equal bandwidth of spectrum is allocated for both...
Why my mobile phone makes this noise near an audio speaker?
You probably heard this strange robotic noise from your speakers when a cellphone was nearby and about to receive a call or an SMS. But do you know why this audible noise interference happens...
What is the maximum speed of LTE?
Snapdragon just announced the X16 LTE Modem that can achieve 1 Gbps throughput thanks to higher order modulation (256 QAM), 4×4 MIMO and 4x Carrier Aggregation of 20 MHz. But how can we calculate...
Network Planning 101 – Busy Hour, Busy Day
I often had to explain in simple terms the concepts of Busy Hour and Busy Day to non-technical colleagues while working on network capacity planning. Eventually I decided to come up with a simple...
What will the air interface for 5G look like?
There is a race between equipment manufacturers, chipset manufacturers, carriers and standardization bodies to take the lead on defining what 5G will actually be. One of the hot topics is the choice of the...