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Eliminate signal degradation in wireless network

Posted: 07 Mar 2011     Print Version  Bookmark and Share

Keywords:LTE  HSPA+  passive intermodulation distortion 

Wireless operators have invested a lot of money into 3G networks and will continue to do so for the next generation of technologies, whether it's HSPA+, LTE, or others. These investments are often overlaid on the existing network, utilising existing tower equipment such as feeder coaxial cable lines and base station antennas. Operators are increasingly taking steps to avoid potential signal degradation that can result from overlays, especially when adding new frequency bands. One such concern is passive intermodulation (PIM) distortion, and it's enough of an issue that many operators are deploying PIM distortion testing equipment to the field. However, using PIM distortion equipment correctly requires greater care than standard voltage standing wave ratio site sweeps or distance-to-fault transmission line testing.

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