• Thumbnail for Space–time code
    A spacetime code (STC) is a method employed to improve the reliability of data transmission in wireless communication systems using multiple transmit...
    5 KB (612 words) - 06:43, 24 July 2023
  • Spacetime block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to...
    21 KB (3,788 words) - 06:18, 9 October 2024
  • Spacetime trellis codes (STTCs) are a type of spacetime code used in multiple-antenna wireless communications. This scheme transmits multiple, redundant...
    3 KB (333 words) - 18:53, 5 July 2023
  • Differential spacetime codes are ways of transmitting data in wireless communications. They are forms of spacetime code that do not need to know the...
    1 KB (171 words) - 20:58, 2 April 2020
  • A spacetime trade-off, also known as time–memory trade-off or the algorithmic space-time continuum in computer science is a case where an algorithm or...
    6 KB (748 words) - 18:42, 7 June 2025
  • Thumbnail for Morse code
    the rhythm is established, a half-beat is the basic unit of time measurement in Morse code. The duration of a dah is three times the duration of a dit...
    108 KB (9,804 words) - 20:30, 17 June 2025
  • Spacetime block coding based transmit diversity (STTD) is a method of transmit diversity used in UMTS third-generation cellular systems. STTD is optional...
    5 KB (892 words) - 20:30, 13 May 2025
  • shared libraries, so that the same library code can be loaded at a location in each program's address space where it does not overlap with other memory...
    27 KB (3,099 words) - 08:31, 27 May 2025
  • Turbo, Golay, algebraic geometry codes, low-density parity-check codes, and spacetime codes. Error detecting codes can be optimised to detect burst errors...
    15 KB (1,981 words) - 06:01, 22 April 2025
  • Thumbnail for WiMAX MIMO
    also: Space Time Coding and Spatial Multiplexing A related technique is called Uplink Collaborative MIMO, where users transmit at the same time in the...
    13 KB (1,465 words) - 12:49, 14 March 2025
  • Thumbnail for MIMO
    Spacetime block code Spacetime code Spatial multiplexing Visual MIMO Wi-Fi WiMAX MIMO Lipfert, Hermann (August 2007). MIMO OFDM Space Time Coding –...
    67 KB (9,690 words) - 02:40, 8 June 2025
  • Thumbnail for Antenna diversity
    techniques at both ends of the link is termed spacetime coding. Diversity Coding is the spatial coding techniques for a MIMO system in wireless channels...
    12 KB (1,512 words) - 17:53, 20 March 2025
  • rating of how well a building partition attenuates airborne sound Spacetime code, used to improve the reliability of data transmission in wireless communication...
    3 KB (378 words) - 20:58, 25 May 2025
  • Thumbnail for Time zone
    representing time zones. If a time is in Coordinated Universal Time (UTC), a "Z" is added directly after the time without a separating space. "Z" is the...
    91 KB (5,698 words) - 02:13, 12 June 2025
  • Thumbnail for QR code
    product tracking, item identification, time tracking, document management, and general marketing. The QR code system was invented in 1994, at the Denso...
    96 KB (9,954 words) - 11:34, 18 June 2025
  • decoding complexity. Concatenated codes became widely used in space communications in the 1970s. The field of channel coding is concerned with sending a stream...
    17 KB (2,094 words) - 22:27, 28 May 2025
  • Thumbnail for James Webb Space Telescope
    The James Webb Space Telescope (JWST) is a space telescope designed to conduct infrared astronomy. As the largest telescope in space, it is equipped with...
    215 KB (19,979 words) - 11:23, 12 June 2025
  • Thumbnail for Coordinated Universal Time
    time zones and daylight saving time. The International Space Station also uses UTC as a time standard. Amateur radio operators often schedule their radio...
    52 KB (6,081 words) - 05:22, 1 June 2025
  • Proxemics (redirect from Personal space)
    Proxemics is the study of human use of space and the effects that population density has on behavior, communication, and social interaction. Proxemics...
    40 KB (4,922 words) - 16:42, 12 June 2025
  • Thumbnail for Siavash Alamouti
    Inc. He is known for the 1998 invention of the Alamouti's code, a type of spacetime block code. Siavash Alamouti was born on March 16, 1962, in Tehran...
    9 KB (787 words) - 22:57, 15 May 2025
  • country codes are telephone number prefixes for reaching subscribers in foreign countries or areas by international direct dialing (IDD). Country codes are...
    67 KB (1,900 words) - 00:56, 11 June 2025
  • of writing source code is made visible by projecting the computer screen in the audience space, with ways of visualising the code an area of active research...
    14 KB (1,530 words) - 01:30, 10 April 2025
  • Thumbnail for Baudot code
    messages were being sent, but the same code was used to encode the space separation between words. Sequences of DEL codes (fully punched columns) were used...
    57 KB (2,988 words) - 12:14, 15 April 2025
  • example code is 4 spaces even though this varies by coding convention. Attributes of C, C++ and other curly-brace programming language coding style include...
    47 KB (5,529 words) - 03:27, 27 March 2025
  • delay diversity Fresnel zone – Region of space between a transmitting and receiving antenna Spacetime coding – Method in wireless communication systems...
    6 KB (793 words) - 17:51, 19 September 2024
  • Thumbnail for Beamforming
    communication link Spacetime code – Method in wireless communication systems used to improve the reliability of data transmission Spacetime block code – WiFi option...
    22 KB (3,019 words) - 23:46, 22 May 2025
  • "(‒)" key. Exact space The Cambridge Z88 provided a special "exact space" (code point 160 aka 0xA0) (invokable by key shortcut ⌑+SPACE), displayed as "…"...
    26 KB (2,570 words) - 15:34, 18 May 2025
  • Thumbnail for Time crystal
    crystals are arranged periodically in space, the atoms in a time crystal are arranged periodically in both space and time. Several different groups have demonstrated...
    65 KB (6,902 words) - 06:25, 23 May 2025
  • Thumbnail for GPS signals
    GPS signals (redirect from Precision code)
    Velocity and Time (PVT). The GPS satellite constellation is operated by the 2nd Space Operations Squadron (2SOPS) of Space Delta 8, United States Space Force...
    75 KB (10,651 words) - 14:45, 12 June 2025
  • Non-coherent space time codes are a way of transmitting data in wireless communications. In this multiple antenna scheme, it is assumed that the receiver...
    1 KB (141 words) - 11:33, 20 October 2020