frequency diversity

frequency diversity

[¦frē·kwən·sē də′vər·səd·ē]
(communications)
Diversity reception involving the use of carrier frequencies separated 500 hertz or more and having the same modulation, to take advantage of the fact that fading does not occur simultaneously on different frequencies.
References in periodicals archive ?
The SR-3 radar delivers the highest level of surveillance available in all visibility conditions due to 16-level frequency diversity, automatic clutter suppression through advanced signal processing, and sophisticated processing that eliminates multi-path targets.
Time and frequency diversity can be effectively used to combat the effect of fading.
22 performance Frequency Diversity Purchasing Performance Norms of Internet information sharing Perceived Internet security risks Formality Frequency 0.
Moreover, tone assignments hop from time to time rapidly to achieve frequency diversity and interference averaging.
The hallmark of Dust Networks' technology is that it combines low power, standards-based radio technology, time diversity, frequency diversity, and physical diversity--to assure reliability, scalability, wire-free power source flexibility, and ease-of-use.
At the heart of SKAA(TM), Eleven uses its patented Walking Frequency Diversity (WFD(TM)) transmission protocol to deliver this unique combination of both excellent Coexistence and Quality of Service.
5 GHz band, operating at up to 1024 sub-carrier, 10 MHz bandwidth and includes MRC and MIMO in the downlink, HARQ, PUSC frequency diversity, AMC, beamforming, and advanced CTC decoding.
Sensis A-SMGCS, the world's only fully integrated, tested and commissioned Level 2 A-SMGCS, features multiple surveillance sources for the highest quality data and coverage even in the most complex airport environment: high accuracy, one-second update rate multilateration; solid-state X-band radar with 16 channel frequency diversity for superior performance in inclement weather; and a cost-effective ADS-B vehicle tracking system.
It explains why the front end of each antenna is key to establishing the sensitivity, polarization, frequency diversity, and capabilities of the receiving chain and, therefore, the entire ground station.
The CML platform also exhibits exceptional link performance by utilizing a unique Multiple-signal Input, Maximal "Digital Video Broadcasting - Terrestrial" standards, which provide frequency diversity and powerful Forward Error Correction (FEC) algorithms.
Further, our approach to this range of data rates between 64 kbps and 15 Mbps utilises multi-channel frequency diversity for 'graceful degradation' operation, critical to satisfying the transport reliability needs so important to service providers and large enterprises.

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