• 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) - 16:40, 8 June 2024
  • Thumbnail for Spread spectrum
    (LPI). Frequency-hopping spread spectrum (FHSS), direct-sequence spread spectrum (DSSS), time-hopping spread spectrum (THSS), chirp spread spectrum (CSS)...
    16 KB (1,934 words) - 17:54, 9 March 2024
  • Thumbnail for Chirp spread spectrum
    power. However, it is unlike direct-sequence spread spectrum (DSSS) or frequency-hopping spread spectrum (FHSS) in that it does not add any pseudo-random...
    6 KB (709 words) - 23:04, 25 April 2024
  • Thumbnail for Direct-sequence spread spectrum
    vehicles Spread spectrum radar for covertness and resistance to jamming and spoofing Complementary code keying Frequency-hopping spread spectrum Linear-feedback...
    6 KB (701 words) - 17:02, 3 June 2024
  • Thumbnail for Time-hopping
    wide frequency response. An example of hybrid SS is TH-FHSS or hybrid TDMA (time division multiple access). Spread spectrum Frequency-hopping spread spectrum...
    2 KB (193 words) - 21:15, 11 May 2020
  • Thumbnail for George Antheil
    synchronize frequency changes, referred to as frequency hopping, between the transmitter and receiver. It is one of the spread spectrum techniques that...
    41 KB (4,655 words) - 00:11, 27 May 2024
  • period as chip rate; compare bit rate and symbol rate. In a frequency-hopping spread spectrum sequence, each value in the pseudorandom sequence is known...
    5 KB (609 words) - 20:39, 30 October 2022
  • Thumbnail for Hedy Lamarr
    a radio guidance system for Allied torpedoes that used spread spectrum and frequency hopping technology to defeat the threat of radio jamming by the...
    77 KB (7,475 words) - 15:43, 11 June 2024
  • Channel hopping can refer to: Channel surfing, switching between television channels Frequency-hopping spread spectrum, in telecommunications, sending...
    341 bytes (74 words) - 22:18, 13 October 2014
  • communication systems that employ direct-sequence spread spectrum and frequency-hopping spread spectrum transmission systems, and in the efficient design...
    12 KB (1,595 words) - 15:05, 27 January 2024
  • Thumbnail for Code-division multiple access
    share a band of frequencies (see bandwidth). To permit this without undue interference between the users, CDMA employs spread spectrum technology and a...
    35 KB (4,742 words) - 07:08, 22 May 2024
  • than the 462 MHz frequencies allocated to FRS, and uses frequency-hopping spread spectrum technology rather than single fixed frequencies for each channel...
    7 KB (907 words) - 06:09, 4 June 2023
  • on frequency-hopping spread spectrum (FHSS), where the channel frequency is changed rapidly according to a sequence that constitutes the spreading code...
    18 KB (2,310 words) - 16:24, 8 June 2024
  • EPLRS is a Time Division Multiple Access System that uses a frequency hopping, spread spectrum waveform in the UHF band. It incorporates the Thornton family...
    3 KB (344 words) - 03:06, 9 December 2019
  • Thumbnail for Baby monitor
    transmitter is switched on. Digital transmission such as Frequency-hopping spread spectrum provides a level of protection from casual interception. Some...
    8 KB (990 words) - 20:01, 9 September 2022
  • (MCM) profile IEC TS 61334-5-5:2001 Lower layer profiles – Spread spectrum – fast frequency hopping (SS-FFH) profile IEC 61334-6:2000 A-XDR encoding rule Power...
    7 KB (1,127 words) - 20:46, 16 August 2021
  • Thumbnail for DMX512
    on frequency-hopping spread spectrum (FHSS) technology using commercial wireless modems. Other later-generation systems still used frequency-hopping spread...
    33 KB (4,134 words) - 16:14, 6 June 2024
  • Thumbnail for Bluetooth
    Adaptive frequency-hopping spread spectrum (AFH), which improves resistance to radio frequency interference by avoiding the use of crowded frequencies in the...
    133 KB (13,894 words) - 17:33, 31 May 2024
  • Thumbnail for Carrier-sense multiple access with collision avoidance
    11 RTS/CTS exchange under light network load conditions. Frequency hopping spread spectrum (FHSS) follows distantly behind DSSS with regard to throughput...
    10 KB (1,280 words) - 15:05, 9 February 2024
  • 2 kilobits per second (kbits/s), although the radios and frequency-hopping spread spectrum (FHSS) waveform itself can support throughput values well...
    10 KB (1,082 words) - 02:03, 8 May 2024
  • Thumbnail for Radio
    very short range of up to 10 m (30 feet). The system uses frequency-hopping spread spectrum transmission, in which successive data packets are transmitted...
    140 KB (14,995 words) - 21:31, 2 June 2024
  • PSK31 Radioteletype Frequency-hopping spread spectrum also uses many different frequencies, where each symbol uses only one frequency. DTMF Olivia MFSK...
    16 KB (2,089 words) - 23:21, 24 May 2023
  • on punched paper tape) to synchronize random frequencies later known as frequency hopping spread spectrum radio for jam-proof remote control of torpedoes...
    11 KB (1,211 words) - 17:08, 9 June 2024
  • Thumbnail for Multiplexing
    code-division multiplexing techniques such as frequency-hopping spread spectrum (FHSS) and direct-sequence spread spectrum (DSSS). In wireless communications, multiplexing...
    22 KB (2,717 words) - 19:28, 11 June 2024
  • Thumbnail for EXtreme Radio Service
    Part 15 low power communication 915 MHz band, and employ frequency-hopping spread spectrum FM technology to attempt to address some of the perceived...
    3 KB (470 words) - 11:36, 12 July 2022
  • operating channel, chip rate, and attributes relating to frequency-hopping spread spectrum. The standard was created with the intention of promoting...
    1 KB (146 words) - 14:11, 2 July 2023
  • Thumbnail for IEEE 802.11
    operating at 1 Mbit/s; frequency-hopping spread spectrum operating at 1 Mbit/s or 2 Mbit/s; and direct-sequence spread spectrum operating at 1 Mbit/s or...
    84 KB (10,774 words) - 06:42, 12 June 2024
  • Thumbnail for Walkie-talkie
    walkie-talkies in the United States, based on frequency-hopping spread spectrum technology operating in this frequency range under the name eXRS (eXtreme Radio...
    26 KB (3,307 words) - 20:11, 23 May 2024
  • Thumbnail for Radio-controlled helicopter
    such as frequency-hopping spread spectrum (FHSS) used by Futaba employ frequency hopping on the 2.4 GHz band instead of the various frequencies in the...
    27 KB (3,326 words) - 17:39, 27 December 2023
  • Retrieved 25 March 2020. "RSS-247 — Digital Transmission Systems (DTSs), Frequency Hopping Systems (FHSs) and Licence-Exempt Local Area Network (LE-LAN) Devices"...
    93 KB (5,182 words) - 07:17, 11 June 2024