NSN offers software upgrade to boost LTE uplink capacity

Wednesday 19 February 2014 | 16:09 CET | News
Nokia Solutions and Networks is launching new software to boost the uplink capacity of LTE networks. During large events and in other crowded situations, there can be more uplink than downlink traffic as people upload pictures, videos and other content from their smart devices. To meet the demand, multiple base stations provide coverage over a small area. Yet this can create considerable interference from mobile devices, which reduces network capacity and impairs service quality. 

To help operators address this problem, NSN Centralized RAN links multiple LTE base stations to work directly with one other to reduce interference between neighboring cells. This can double the average uplink capacity across a cell, while uploads at the cell edge can be up to ten times faster. It also helps extend battery life as smart devices no longer need to transmit at high power to cut through the interference. Centralized RAN runs on NSN's Flexi Multiradio 10 Base Station with a software upgrade and works with all existing LTE devices. 

In addition, the company is adding two new software features to its Liquid Radio Software Suite to allow operators to steer LTE-capable smart devices onto 4G more quickly, freeing up WCDMA capacity. The first feature is Measurement-based LTE layering, which ensures LTE capacity is available before devices are steered, even when LTE and WCDMA sites are not co-located. Also launched is Smart LTE handover, which enables smooth handover from WCDMA to LTE with low delay.

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