spread spectrum


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spread spectrum

n.
A set of radio transmission techniques that vary the timing and frequency of the signal, thereby increasing the transmission's bandwidth, reducing noise and interference while making the signal harder to detect or intercept.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The rest of this paper is organized as follows: Section II reviews some of the significant research in the field of using code division multiple-access techniques specially the direct sequence spread spectrum one in mobile communication.
Kohno, "Modulation and processing gain tradeoffs in DS-CDMA spread spectrum systems," in Proceedings of the IEEE 5th International Symposium on Spread Spectrum Techniques and Applications, vol.
In addition, the pointing error and focus of such antennas often require using Spread Spectrum technology to mitigate ASI.
[20] develop a long PN code based direct sequence spread spectrum (DSSS) flow marking technique for invisibly tracing suspect anonymous flows.
We have proposed applying spread spectrum OFDM (SS-OFDM) scheme, which combines spread spectrum and OFDM technique, to address the severe frequency selective fading in confined UWA channels [8].
This patented technology relates to a spread spectrum digital screening mask for screening a continuous tone image with the digital mask.
Spread spectrum and licensed radios manufacturer FreeWave Technologies announced on Tuesday the release of the new FGR2-PE, a data radio suitable for Smart Grid, renewable energy and other SCADA applications.
This technique, referred to as spread spectrum frequency modulation (SSFM), improves EMI by not allowing emissions to stay in a receiver's band for any significant length of time.
The RAD-ISM-900-EN-BD industrial radio transceiver uses the MOTR-9T radio platform, a 1-watt, frequency-hopping spread spectrum transceiver to bring Ethernet or serial data onto IP-based networks from remote locations, even in high-interference environments.
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