• 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
  • Thumbnail for Space–time code
    time-slots and provide both coding gain and diversity gain. Spacetime block codes (STBCs) act on a block of data at once (similarly to block codes)...
    5 KB (612 words) - 06:43, 24 July 2023
  • 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
  • based on spacetime block codes, and transmit one block-code from a set in response to a change in the input signal. The differences among the blocks in the...
    1 KB (171 words) - 20:58, 2 April 2020
  • resulting spatial diversity. In contrast to spacetime block codes (STBCs), they are able to provide both coding gain and diversity gain and have a better...
    3 KB (333 words) - 18:53, 5 July 2023
  • 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
  • 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
  • problem of finding a code that has both exponentially decreasing error probability with increasing block length and polynomial-time decoding complexity...
    17 KB (2,094 words) - 22:27, 28 May 2025
  • source code. An indentation style generally specifies a consistent number of whitespace characters before each line of a block, so that the lines of code appear...
    47 KB (5,529 words) - 03:27, 27 March 2025
  • Thumbnail for IEEE 802.11
    either one or two contiguous blocks. MIMO operation is possible with up to four streams used for either spacetime block code (STBC) or multi-user (MU) operation...
    85 KB (10,857 words) - 16:35, 5 June 2025
  • established the field of space–time block coding, published whilst working for AT&T. The first of these, "Spacetime block codes from orthogonal designs", established...
    7 KB (737 words) - 08:03, 8 February 2025
  • Churches, — a denomination of Christian churches in India Spacetime block code, a form of spacetime code used in wireless telecommunications Shatin Baptist...
    476 bytes (88 words) - 04:58, 22 August 2015
  • 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
  • major benefits of convolutional codes. This is in contrast to classic block codes, which are generally represented by a time-variant trellis and therefore...
    25 KB (2,834 words) - 07:56, 4 May 2025
  • Multiple-input and multiple-output (MIMO) Single-frequency network (SFN) Spacetime block coding based transmit diversity (STTD) Soft handover "MIMO Systems and...
    2 KB (255 words) - 11:58, 1 January 2025
  • either one or two contiguous blocks. MIMO operation is possible with up to four streams used for either spacetime block code (STBC) or multi-user (MU-MIMO)...
    10 KB (969 words) - 01:51, 29 August 2024
  • 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
  • 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
  • costs. Theoretically, analysis of LDPC codes focuses on sequences of codes of fixed code rate and increasing block length. These sequences are typically...
    36 KB (4,626 words) - 03:13, 7 June 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
  • “Combining beamforming and orthogonal space-time block coding” was the first to address the association between space-time coding and linear adaptive transmission...
    16 KB (1,863 words) - 22:03, 22 May 2025
  • Thumbnail for Coding theory
    bee's nest. But block codes rely on more dimensions which cannot easily be visualized. The powerful (24,12) Golay code used in deep space communications...
    27 KB (3,712 words) - 08:44, 19 June 2025
  • Thumbnail for Peter Stoica
    Processing, vol. ASSP-37, 720–741, 1989. E Larsson and P Stoica, Space-Time Block Coding For Wireless Communications. Cambridge University Press, UK, 2003...
    15 KB (1,263 words) - 17:06, 16 November 2024
  • Thumbnail for Orthogonal frequency-division multiplexing
    single antenna systems to combat wireless fading or the diagonal space-time block coding to collect the spatial diversity for multiple antenna systems....
    88 KB (11,274 words) - 10:03, 25 May 2025
  • Thumbnail for GPS Block III
    Martin for the ninth and tenth Block III space vehicles, expected to be available for launch by 2022. 8 of 10 GPS Block III satellites have been launched...
    48 KB (4,794 words) - 07:42, 31 May 2025
  • specification: Two to four spatial streams Low-density parity-check code (LDPC) Spacetime block coding (STBC) Transmit beamforming (TxBF) 400 ns short guard interval...
    21 KB (2,095 words) - 10:04, 4 May 2025
  • Thumbnail for Wireless
    Press. ISBN 0-521-83716-2. Larsson, Erik; Stoica, Petre (2003). Space-Time Block Coding For Wireless Communications. Cambridge University Press. Molisch...
    32 KB (3,657 words) - 01:12, 17 June 2025
  • STTD may refer to: Spacetime block coding based transmit diversity, a method of transmit diversity used in UMTS third-generation cellular systems Spacetime...
    270 bytes (66 words) - 16:36, 19 March 2023
  • a specific noise level. Turbo codes are used in 3G/4G mobile communications (e.g., in UMTS and LTE) and in (deep space) satellite communications as well...
    21 KB (2,728 words) - 20:06, 25 May 2025
  • in a source block, and a total of up to 16,777,216 encoded symbols generated for a source block. This code is able to recover a source block from any set...
    11 KB (1,479 words) - 19:11, 6 June 2025