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LTE performance will hinge on picocell backhaul

John Cox | March 22, 2011
CTIA Wireless news: New products will drive microcell architectures, ensure throughput

The new picocell line supports all 4G frequencies in the 700 MHz to 2.7 GHz range. It will be available in September, following fields trials this summer. Powerwave declined to comment on pricing.

BelAir Networks is announcing a similar LTE/11n picocell, an outdoor model that can be up and running in 15 minutes, according to the vendor. Like Powerwave, BelAir supports a range of backhaul options, including hybrid fiber coax, but also including high-performance switched wireless mesh.

Bridgewave, another backhaul radio vendor, is unveiling a line of radios, dubbed PicoHaul, specifically created to link numerous LTE picocells to a carrier's network.

The first model is the outdoor PG60C. It's designed to mount quickly and unobtrusively on light poles or the sides of buildings, and eliminates the use of dish-shaped antennas. It uses the millimeter wave frequency bands, specifically the 60 GHz band, to create a high-capacity, spectrally efficient backhaul radio link, in many cases without license fees.

Exalt Communications, Campbell, Calif., announced its new Air Series, which is a line of outdoor, "fiber-quality" microwave backhaul radios. The radios support the 2 GHz to 43 GHz bands, plus nontraditional bands including LMDS (such as 28 GHz), 24 GHz, 24 GHz DEMS and 42 GHz, which gives a carrier additional spectrum options for backhauling picocell traffic. The Air Series requires no internal cabinet space or cooling, and the unit has been designed to wring the most out of available spectrum.


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