Table of Contents
What is BLER 5g?
BLER is Block Error Rate and it is basically the decoding failure rate of Transport Blocks or in simple words, the decoding failure rate of data blocks.
What is 3g BLER?
3GPP TS 34.121, F. 6.1. 1 defines block error ratio (BLER) as follows: “A Block Error Ratio is defined as the ratio of the number of erroneous blocks received to the total number of blocks sent. To perform a block error ratio measurement, you must be on a Radio Bearer Test Mode call.
Why is BLER so high?
a) Run a report for BLER in the cells identified. The BLER should be smaller or equal than 10\%. If the value is larger, then, there is an indication of bad RF environment. b) Typical causes of bad BLER are downlink interference, bad coverage (holes in the network, etc.)
How is block error rate calculated?
When the UE is operating in Type 1, RLC AM loopback type, the block error ratio is calculated by the ratio of number of UE retransmission requests and the total number of blocks sent to the UE. In AM the UE indicates missing protocol units (=transport blocks) in the STATUS PDU message.
What does BLER mean?
Block Error Rate (BLER) is a ratio of the number of erroneous blocks to the total number of blocks transmitted on a digital circuit. It is used in measuring the error rate when extracting data frames from a Compact Disc (CD).
What is Bler in English?
/bler/ to make an unpleasantly loud noise: The loudspeakers blared across the square. The radio was blaring (out) martial music. Noise & noisy.
What is Bler target value?
In radio side, typical BLER target is 10\% which means the receiver should receive at least 90\% successful transmission. If the target is less than 10\% then more re-transmission might be required and cause radio resource consuming.
What is 4G Sinr?
SINR (Signal to Interference & Noise Ratio) measures signal quality: the strength of the wanted signal compared to the unwanted interference and noise.
What is target Bler?
In radio side, typical BLER target is 10\% which means the receiver should receive at least 90\% successful transmission. The ratio of data blocks with transmission errors after initial transmissions and retransmissions to all initial transmission data blocks.
How can I increase my UL throughput in LTE?
One thing that can really help in increasing the throughput is the optimum mobility strategy. Consider two LTE layers, for instance L800 and L1800 with same bandwidth. In this case, L800 will have a higher coverage as it is a lower frequency. So, the user count on L800 will be higher compared to L1800.
What does the word erroneous?
Erroneous basically means “containing errors”, and, since most of us are constantly suffering from mistaken notions, the word is often used in front of words such as “assumption” and “idea”.
What do you mean by bulk?
1 : being in large quantities or not divided into separate units : being in bulk bulk shipments of food bulk mailings. 2 : of or relating to materials in bulk bulk prices.
How to calculate the BLER in LTE?
Simple calculation of the measurement: BLER (in LTE) = Number of erroneous blocks / total number of received blocks The calculation is based on CRC (Cyclic Redundancy Check) evaluation which is used for inspection the transport blocks at receiver side.
What is BLER (block error rate)?
Block Error Rate in LTE “Block Error Rate” or BLER is a measurement type of quality in telecommunication. Simple calculation of the measurement: BLER (in LTE) = Number of erroneous blocks / total number of received blocks
What is BLER and why is it important for mobile networks?
So BLER is an important parameter for controlling a mobile connectio That is the Block Error Rate; the rate of transport blocks that have been incorrectly transmitted to the receiver. Wireless transmission is very error-prone. Wireless and mobile data are sent as blocks after forward correction data have been added.
What does BLER stand for?
Block Error Rate (BLER) is used in LTE/4G technology to determine the in-sync or out-of-sync indication during radio link monitoring (RLM). Normal BLER is 2\% for an in-sync condition and 10\% for an out-of-sync condition. “Block Error Ratio (BLER) Measurement Description”. February 28, 2014.