• Thumbnail for Direct-sequence spread spectrum
    direct-sequence spread spectrum (DSSS) is a spread-spectrum modulation technique primarily used to reduce overall signal interference. The direct-sequence...
    6 KB (690 words) - 14:48, 30 July 2023
  • Thumbnail for Spread spectrum
    Frequency-hopping spread spectrum (FHSS), direct-sequence spread spectrum (DSSS), time-hopping spread spectrum (THSS), chirp spread spectrum (CSS), and combinations...
    16 KB (1,934 words) - 17:54, 9 March 2024
  • Thumbnail for Frequency-hopping spread spectrum
    Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying...
    15 KB (1,866 words) - 20:26, 24 April 2024
  • Thumbnail for Chirp spread spectrum
    spectrum, chirp spread spectrum is also resistant to multi-path fading even when operating at very low power. However, it is unlike direct-sequence spread...
    6 KB (709 words) - 23:04, 25 April 2024
  • pseudo-random sequences in digital communication systems that employ direct-sequence spread spectrum and frequency-hopping spread spectrum transmission...
    12 KB (1,595 words) - 15:05, 27 January 2024
  • correlation with the transmitted sequence. In a direct-sequence spread spectrum system, each bit in the pseudorandom binary sequence is known as a chip and the...
    5 KB (609 words) - 20:39, 30 October 2022
  • Chip (CDMA) (redirect from Spread factor)
    is a pulse of a direct-sequence spread spectrum (DSSS) code, such as a pseudo-random noise (PN) code sequence used in direct-sequence code-division multiple...
    2 KB (280 words) - 18:54, 23 February 2024
  • Thumbnail for Process gain
    can be shown that a direct-sequence spread-spectrum (DSSS) system has exactly the same bit error behavior as a non-spread-spectrum system with the same...
    2 KB (288 words) - 04:58, 12 February 2024
  • Thumbnail for IEEE 802.11
    their interference and susceptibility to interference by using direct-sequence spread spectrum (DSSS) and orthogonal frequency-division multiplexing (OFDM)...
    84 KB (10,768 words) - 11:27, 23 May 2024
  • Thumbnail for Spektrum RC
    they use direct-sequence spread spectrum (DSSS) technology on the 2.4 GHz ISM band. Spektrum refers to their technology as "Digital Spectrum Modulation...
    3 KB (324 words) - 15:07, 31 December 2023
  • Thumbnail for Time-hopping
    (time division multiple access). Spread spectrum Frequency-hopping spread spectrum Direct-sequence spread spectrum Ultra-wideband Frenzel, Louis E. (2001)...
    2 KB (193 words) - 21:15, 11 May 2020
  • used in direct-sequence spread spectrum and pulse compression radar systems because of their low autocorrelation properties. Binary sequence Discrepancy...
    6 KB (696 words) - 06:00, 21 November 2023
  • selectivity. Some other radio technologies, such as direct sequence spread spectrum and chirp spread spectrum, employ alternative approaches to selectively...
    5 KB (688 words) - 00:00, 4 March 2024
  • Thumbnail for Hatim Zaghloul
    Orthogonal Frequency Division Multiplexing (WOFDM), and Multi-code Direct-sequence Spread Spectrum (MCDSSS). WOFDM is the foundation for the IEEE 802.11a/g/n...
    20 KB (2,159 words) - 17:47, 12 April 2024
  • method of spread-spectrum communication. When used only for the spread-spectrum property, this technique is called direct-sequence spread spectrum; when used...
    37 KB (4,672 words) - 22:11, 31 March 2024
  • BPSK spreading scheme ISO/IEC 24730-22:2012 Information technology — Real time locating systems (RTLS) — Part 22: Direct Sequence Spread Spectrum (DSSS)...
    28 KB (3,406 words) - 14:12, 5 May 2024
  • Barker code (redirect from Barker sequence)
    ) Barker codes of length N equal to 11 and 13 are used in direct-sequence spread spectrum and pulse compression radar systems because of their low autocorrelation...
    16 KB (1,831 words) - 20:48, 13 April 2024
  • Thumbnail for Multiplexing
    multiplexing techniques such as frequency-hopping spread spectrum (FHSS) and direct-sequence spread spectrum (DSSS). In wireless communications, multiplexing...
    22 KB (2,717 words) - 16:42, 25 April 2024
  • Thumbnail for DCF77
    modulated onto the carrier using a 512 bit long pseudorandom sequence (direct-sequence spread spectrum modulation). The transmitted data signal is repeated every...
    41 KB (3,893 words) - 18:07, 10 May 2024
  • Thumbnail for Code-division multiple access
    permit this without undue interference between the users, CDMA employs spread spectrum technology and a special coding scheme (where each transmitter is assigned...
    35 KB (4,742 words) - 07:08, 22 May 2024
  • Thumbnail for Gustav Guanella
    particular, Guanella is credited as one of the inventors of the Direct Sequence Spread Spectrum (DSSS) transmission technique. The patent filing date in Switzerland...
    5 KB (623 words) - 23:32, 1 May 2024
  • radiation – Color – Diffraction – Digital signal processing – Direct-sequence spread spectrum – Dispersion (optics) – Eigenstate – Eigenvalue – Electromagnetic...
    9 KB (629 words) - 01:54, 8 April 2024
  • more radio spectrum or more base station sites. This article is about radio resource management specifically for direct-sequence spread spectrum (DS-CDMA)...
    13 KB (1,829 words) - 02:02, 26 April 2024
  • Thumbnail for Glossary of cryptographic keys
    generator that is used to control a radio in frequency hopping or direct-sequence spread spectrum modes. See HAVE QUICK, SINCGARS, electronic warfare. seed key...
    9 KB (1,187 words) - 11:55, 18 October 2023
  • Thumbnail for Carrier-sense multiple access with collision avoidance
    show that under ideal propagation conditions (simulations), direct-sequence spread spectrum (DSSS) provides the highest throughput for all nodes on a network...
    10 KB (1,280 words) - 15:05, 9 February 2024
  • photographic atlases of the night sky Direct-Sequence Spreading, another term for direct-sequence spread spectrum Drahtseilbahn Schwyz–Stoos, funicular...
    5 KB (635 words) - 18:23, 22 April 2024
  • the same frequency range. One form is direct-sequence CDMA (DS-CDMA), based on direct-sequence spread spectrum (DSSS), used for example in 3G cell phone...
    18 KB (2,310 words) - 20:58, 2 April 2024
  • phones, but uses unlicensed 2.4 GHz spectrum. RPMA is used in GE's AMI metering. Byron, a direct-sequence spread spectrum (DSSS) technology from Taggle Systems...
    9 KB (902 words) - 23:35, 25 April 2024
  • version of the standard specifies two physical layers based on direct-sequence spread spectrum (DSSS) techniques: one working in the 868/915 MHz bands with...
    19 KB (2,523 words) - 17:59, 16 May 2024
  • S. Jourdan, "Orthogonal multicarrier techniques applied to direct sequence spread spectrum CDMA systems," in Proceedings of Global Telecommunications...
    8 KB (1,123 words) - 18:37, 22 February 2024