Search results with tag "Direct sequence spread"
Frequency Hopping Spread Spectrum (FHSS)
sorin-schwartz.comTwo main Spread Spectrum modulation techniques are defined: Frequency Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS). By transmitting the message energy over a bandwidth much wider than the minimum required, Spread Spectrum modulation techniques present two major advantages: low power density and redundancy.
AN1200.22 LoRa™ Modulation Basics - FRUGAL PROTOTYPE
www.frugalprototype.com3.2 Spread-Spectrum Principles As has been noted above, by increasing the bandwidth of the signal we can compensate for the degradation of the signal-to-noise (or noise-to-signal) ratio of a radio channel. In traditional Direct Sequence Spread Spectrum (DSSS) systems, the carrier phase of the transmitter changes in accordance with a code sequence.
April 2020 Emerson Wireless 1420 Gateway
www.emerson.comDirect sequence spread spectrum (DSSS) technology ... Gain real-time process information with greater than 99% wireless data reliability The Wireless Gateway automatically manages wireless communications in constantly changing environments.
2.4 GHz IEEE 802.15.4 / ZigBee-Ready RF Transceiver (Rev. C)
www.ti.comCC2420 SWRS041c Page 7 of 85 3 Features 2400 – 2483.5 MHz RF Transceiver Direct Sequence Spread