COFDMTV is built upon COFDM (coded orthogonal frequency-division multiplexing) technology, featuring:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
The currently supported Modes 14, 15, and 16 utilize SPC(2048, 1392), SPC(2048, 1056), or SPC(2048, 712) with CRC32C-assisted SCL decoding and differential QPSK modulation for the payload. The system operates within a bandwidth of 1600 Hz, allowing the transmission of either 85, 128, or 170 bytes to complete in approximately one second, disregarding any initial noise and elaborate headers.
Overview
Rattlegram is a Freeware software in the category Internet developed by aicodix GmbH.
The latest version of Rattlegram is 1.8, released on 07/08/2024. It was initially added to our database on 07/08/2024.
Rattlegram runs on the following operating systems: iOS.
Users of Rattlegram gave it a rating of 4 out of 5 stars.
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