Lauro

Expert Opinion

Expert Opinion
Short LTE articles and opinions by our team of Subject Matter Experts (SMEs)
  • Lauro

    RRC connection Release

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    Often time while doing a drive test the RRC collection released gets logged by our data collection tools and later, while debugging our drive tests we see, RRC connection Release. Many times we wonder why we received that message...
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    UL Throughput Troubleshooting

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    Several are the conditions that produce low throughput in the uplink. This blog shows a simple flowchart that attempts to guide you while troubleshooting cells with poor performance in the uplink. Note that the flowchart is not...
  • Lauro

    DL Throughput Troubleshooting

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    Several are the conditions that produce low throughput in the downlink. This blog shows a simple flowchart that attempts to guide you while troubleshooting cells with poor performance in the downlink. Note that the flowchart is...
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    Effect of Closed Loop Power Control on the UL RSSI

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    Effect of Closed Loop Power Control on the UL RSSI The Received Signal Strength Indicator (RSSI) in the uplink is also affected by the parameter settings that govern closed loop power control in LTE. Immediately after the...
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    Effect of Open Loop Power Control on the UL RSSI

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    The Received Signal Strength Indicator (RSSI) in the uplink is affected by the parameter settings that govern open loop power control in LTE. Open loop power control is used during Random Access. The random access is often...
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    Frame Structures in LTE-TDD and LTE-FDD

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    So far, we have concentrated our efforts in describing LTE-FDD. However, as TD-LTE gets deployed in the USA, more blogs on this technology will be published. In this occasion, we will describe the frame structure of both, LTE...
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    Interference at the 700 MHz band

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    This blog aims at providing some of the (difficult to find) most uncommon sources of interference in the 700 MHz band. The common sources of interference are: a) Inter-modulation products: This is typical in all cellular...