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Calculation Erlang B Table:
Calculation Erlang B Table:
The Erlang B is used to work out how many lines are required from a knowledge of the traffic figure during the busiest hour. The Erlang B figure assumes that any blocked calls are cleared immediately. This is the most commonly used figure to be used in any telecommunications capacity calculations.
Number of Channel:
Blocking Rate (QoS):
ErlangB Traffic =
Generate Erlang B Table:
Input Max Channel Number: Input Blocking Rate(%):
Numbr of Channel(#)
Download ErlangB Formula Excel Add-In :
Excel Add-In for ErlangB Table formula. Best practice for RF Planning Engineer to calculate the traffic capacity.
What is LTE?
LTEi (Long Term Evolution) is initiated by 3GPP to improve the mobile phone standard to cope with future technology evolutions and needs. What is goal of LTE?
The goals for LTE include improving spectral efficiency, lowering costs, improving services, making use of new spectrum and reformed spectrum opportunities, and better integration with other open standards. What speed LTE offers?
LTE provides downlink peak rates of at least 100Mbit/s, 50 Mbit/s in the uplink and RAN (Radio Access Network) round-trip times of less than 10 ms.
What is LTE Advanced?
LTE standards are in matured state now with release 8 frozen. While LTE Advanced is still under works. Often the LTE standard is seen as 4G standard which is not true. 3.9G is more acceptable for LTE. So why it is not 4G? Answer is quite simple - LTE does not fulfill all requirements of ITU 4G definition.
Brief History of LTE Advanced: The ITU has introduced the term IMT Advanced to identify mobile systems whose capabilities g…
GSM RF INTERVIEW QUESTIONS1. What are the three services offered by GSM? Explain each of them briefly?
GSM services are categorized in three teleservices, bearer, and supplementary services.
A. Teleservices (communicate with other subscribers).
B. Bearer service (provides the underlaying network capacity necessary for transmission to occur between two points in the same or different networks). The bearer services describe what the network can offer (e.g. speech, data and fax).
C. Supplementary service is optional which subscriber can subscribe for free. Ex: call forwarding, call waiting,
------------------------------------------------------------------------------------------------------- 2. Which uplink/downlink spectrum is allocated to GSM-900? 3. Which uplink/downlink spectrum is allocated to DCS-1800? 4. How many carrier frequencies are there in GSM-900/DCS-1800? How much is the separation between the carrier frequencies?
5. What is Ciphering? Why do we need it? Name the algorithm(s…
Nokia and state run telecom operator Bharat Sanchar Nigam Limited (BSNL), on Friday announced that they will work together to accelerate the development of a 5G ecosystem, opening up India to the potential of extreme high-speed wireless broadband with ultra-low-latency, and the ability to support the future network demands of connected devices associated with the Internet of Things (IoT) and Smart Cities.
The combination of high speed and low latency in 5G raises a host of possibilities, such as remote healthcare, virtual reality, augmented reality, connected cars, and full automation of homes and businesses, among others. Nokia and BSNL will work towards finding an efficient and cost-effective path for network evolution to 5G for enhanced speed and capacity.
Nokia will ensure the smooth transition of BSNL to a 5G-ready network by utilizing Nokia’s 5G FIRST end-to-end 5G solution, including its AirScale radio access portfolio and AirFrame datacenter platform to demonstrate 5G capabili…