LTE CAPACITY RESULTS

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LTE CAPACITY RESULTS

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The result of LTE capacity analysis in Xirio provides a detailed report of the demand for network resources for three traffic load values ​​(0%, 100% and the one estimated by the user) as well as total number of users on the stage and those that are impossible to attend.

The bandwidth reports presented have detailed information for each transmitter, indicating maximum BW, estimated traffic load, BW at the edge, BW at the center (for downlink and uplink, both guaranteed and unsecured traffic), total number of users and total number of users unable to attend.

lte_report

The throughput reports presented have detailed information for each transmitter, indicating maximum throughput, estimated traffic load, edge throughput, throughput at the center (for downlink and uplink, both guaranteed and unsecured traffic), total number of users and total number of users unable to attend.

lte_report_througput

In addition a serie of graphic results are obtained, which offer this same information in a visual and easier to understand way.

The first one gives a representation of available and required bandwidth to each transmitter, both for resources dedicated to the cells center and edge, as well as the uplink and downlink.

lte_graph

Xirio graphically shows the bandwidth results using 6 plots, as follows:

•The first 4 details data for the downlink and uplink channel. For each transmitter, 3 different situations are presented. The first one (left bar) would be 100% traffic load, the next one would be traffic load value that user has previously defined and the last one would be 0% traffic load.

In addition to traffic load, maximum BW that supports that transmitter can be seen, so it is possible to predict which sectors will present problems by browsing which bars exceed the limit.
Both the downlink and the uplink show two different plots. One for terminals that are considered on the edge and another for the terminals that are considered in the center of cells.

•Plot of users total number. It shows the estimate number of users that each transmitter will have to attend.

•Plot of number of users unable to attend. Finally, the number of users who will not have service is presented, either because SINR is insufficient or because traffic demand is too high for that transmitter.

 

The second one offers a similar result from the throughput point of view able to generate transmitters of the study. In this result, it is easy to identify the most saturated stations and those with the lowest traffic load.

 

lte_throughput_graph

In the same way that for the bandwidth case, 6 plots are presented with the results of throughtput demand:

•The first 4 details data for the downlink and uplink channel. For each, the maximum throughput reached by the sector with the least interference is established with 0% traffic load (red line).

Now, instead of presenting 3 different scenarios, a single bar is presented for each transmitter where:
The light color represents the demand for throughput for that transmitter
The dark color represents the demand for throughput that exceeds the transmitter capacity for the simulated interference situation.
The transparent color represents the demand for throughput that could be handled by the transmitter for the simulated interference situation.

•Plot of users total number that is able to service each transmitter.

•Plot of users total number that is not able to serve the transmitter due to a very low SINR or to a too high throughput demand for that transmitter.