direct-sequence spread spectrum (DSSS) is a spread-spectrum modulation technique primarily used to reduce overall signal interference. The direct-sequence...
6 KB (701 words) - 18:24, 4 September 2024
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) - 23:57, 15 September 2024
Pseudorandom noise (redirect from Pseudonoise sequence)
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) - 17:23, 13 September 2024
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) - 15:13, 23 September 2024
Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying...
15 KB (1,921 words) - 01:41, 3 August 2024
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) - 18:31, 10 February 2025
Time-hopping (redirect from Time-hopping spread spectrum)
(time division multiple access). Spread spectrum Frequency-hopping spread spectrum Direct-sequence spread spectrum Ultra-wideband Frenzel, Louis E. (2001)...
2 KB (193 words) - 12:49, 25 June 2024
pseudo-random sequences in digital communication systems that employ direct-sequence spread spectrum and frequency-hopping spread spectrum transmission...
12 KB (1,638 words) - 00:29, 20 September 2024
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
their interference and susceptibility to interference by using direct-sequence spread spectrum (DSSS) and orthogonal frequency-division multiplexing (OFDM)...
85 KB (10,808 words) - 10:19, 5 May 2025
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 (333 words) - 18:39, 22 December 2024
selectivity. Some other radio technologies, such as direct sequence spread spectrum and chirp spread spectrum, employ alternative approaches to selectively...
5 KB (696 words) - 20:53, 9 March 2025
method of spread-spectrum communication. When used only for the spread-spectrum property, this technique is called direct-sequence spread spectrum; when used...
38 KB (4,725 words) - 00:15, 2 April 2025
photographic atlases of the night sky Direct-Sequence Spreading, another term for direct-sequence spread spectrum Drahtseilbahn Schwyz–Stoos, funicular...
5 KB (635 words) - 16:52, 19 November 2024
CDMA spectral efficiency (redirect from CDMA spectrum Efficiency)
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) - 00:51, 20 January 2025
BPSK spreading scheme ISO/IEC 24730-22:2012 Information technology — Real time locating systems (RTLS) — Part 22: Direct Sequence Spread Spectrum (DSSS)...
26 KB (3,273 words) - 18:37, 25 March 2025
multiplexing techniques such as frequency-hopping spread spectrum (FHSS) and direct-sequence spread spectrum (DSSS). In wireless communications, multiplexing...
22 KB (2,716 words) - 03:49, 15 March 2025
used in direct-sequence spread spectrum and pulse compression radar systems because of their low autocorrelation properties. Binary sequence Discrepancy...
6 KB (696 words) - 20:29, 23 February 2025
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 (2,325 words) - 21:57, 7 April 2025
show that under ideal propagation conditions (simulations), direct-sequence spread spectrum (DSSS) provides the highest throughput for all nodes on a network...
10 KB (1,265 words) - 01:49, 19 April 2025
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) - 00:41, 29 April 2025
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 (625 words) - 19:47, 10 January 2025
offered the possibility of packet radio transmission in BPSK or Direct-Sequence Spread Spectrum in the 70 cm band. The satellite was configured in a sphere-like...
3 KB (187 words) - 22:35, 20 May 2023
permit this without undue interference between the users, CDMA employs spread spectrum technology and a special coding scheme (where each transmitter is assigned...
36 KB (4,745 words) - 21:23, 29 December 2024
waveform, it can be used to synthesize various waveforms, such as direct-sequence spread spectrum and frequency shift key [4] signals. The advantage is that...
13 KB (1,628 words) - 04:19, 16 December 2023
also known as Trellis modulation Spread spectrum techniques Direct-sequence spread spectrum (DSSS) Chirp spread spectrum (CSS) according to IEEE 802.15...
24 KB (3,051 words) - 14:49, 25 March 2025
List of cycles (section Electromagnetic spectrum)
radiation – Color – Diffraction – Digital signal processing – Direct-sequence spread spectrum – Dispersion (optics) – Eigenstate – Eigenvalue – Electromagnetic...
9 KB (631 words) - 13:22, 24 April 2025
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...
20 KB (2,532 words) - 20:33, 18 March 2025
modulated onto the carrier using a 512-bit long pseudorandom sequence (direct-sequence spread spectrum modulation). The transmitted data signal is repeated every...
43 KB (4,032 words) - 03:45, 19 March 2025
Wi-Fi (section Ad hoc and Wi-Fi direct)
Different versions of Wi-Fi use different techniques, 802.11b uses direct-sequence spread spectrum on a single carrier, whereas 802.11a, Wi-Fi 4, 5 and 6 use...
122 KB (12,968 words) - 18:14, 4 May 2025