Month: February 2018

4G

Frequency Reuse Plans for 4G LTE: SFR and FFR

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4G LTE Frequency Reuse Patterns

Frequency Reuse Plans in 4G / LTE 4G LTE cellular systems address the need of high capacity Wireless Internet services to mobile and fixed devices. Frequency Reuse planning is essential to allow seamless coverage and efficiency use of the available spectrum. 3GPP Long Term Evolution (LTE) is a standard for wireless communications to achieve high […]

4G

Passive Intermodulation (PIM) as a source of 4G/LTE interference

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Passive Intermodulation (PIM) as a source of 4G/LTE interference What is PIM? One cause of self-disturbance in LTE Networks is Passive Intermodulation (PIM). PIM is interference resulting from the nonlinear mixing of two or more frequencies in a passive circuit. If the interference coincides with a network’s base receive frequencies, it can cripple network performance and throughput. Possible PIM […]